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Pensieri degli anni difficili

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Fu uomo di compiuta bontà, affabile e aperto. Se i valori in cui credette fossero meno calpestati, l'umanità potrebbe guardare verso un futuro più luminoso.

258 pages, Paperback

First published January 1, 1965

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About the author

Albert Einstein

882 books9,649 followers
Special and general theories of relativity of German-born American theoretical physicist Albert Einstein revolutionized modern thought on the nature of space and time and formed a base for the exploitation of atomic energy; he won a Nobel Prize of 1921 for his explanation of the photoelectric effect.

His paper of 1905 formed the basis of electronics. His first paper, also published in 1905, changed the world.
He completed his Philosophiae Doctor at the University of Zurich before 1909.

Einstein, a pacifist during World War I, stayed a firm proponent of social justice and responsibility.

Einstein thought that Newtonion mechanics no longer enough reconciled the laws of classical mechanics with those of the electromagnetic field. This thought led to the development. He recognized, however, that he ably also extended the principle to gravitational fields and with his subsequent theory of gravitation in 1916 published a paper. He continued to deal with problems of statistical mechanics and quantum theory, which led to his explanations of particle theory and the motion of molecules. He also investigated the thermal properties of light, which laid the foundation of the photon.

Best known for his mass–energy equivalence formula E = mc2, dubbed "the world's most famous equation," he received "for his services to theoretical physics, and especially for his discovery of the law of the photoelectric effect". The latter was pivotal in establishing quantum theory.

He visited the United States when Adolf Hitler came to power in 1933 and went not back to Germany. On the eve of World War II, he endorsed a letter, alerting Franklin Delano Roosevelt, president, to the potential development of "extremely powerful bombs of a new type" and recommending that the United States begin similar research. This recommendation eventually led to the Manhattan project. Einstein supported defending the Allied forces but largely denounced the idea of using the newly discovered nuclear fission as a weapon. Later, with Bertrand Russell–Einstein manifesto highlighted the danger of nuclear weapons.

After the rise of the Nazi party, Einstein made Princeton his permanent home as a citizen of United States in 1940. He chaired the emergency committee of atomic scientists, which organized to alert the public to the dangers of warfare.

At a symposium, he advised:
"In their struggle for the ethical good, teachers of religion must have the stature to give up the doctrine of a personal God, that is, give up that source of fear and hope which in the past placed such vast power in the hands of priests. In their labors they will have to avail themselves of those forces which are capable of cultivating the Good, the True, and the Beautiful in humanity itself. This is, to be sure a more difficult but an incomparably more worthy task... "

("Science, Philosophy and Religion, A Symposium," published by the Conference on Science, Philosophy and Religion in their Relation to the Democratic Way of Life, Inc., New York, 1941).

In a letter to philosopher Eric Gutkind, dated 3 January 1954, Einstein stated:
"The word god is for me nothing more than the expression and product of human weaknesses, the Bible a collection of honorable, but still primitive legends which are nevertheless pretty childish. No interpretation no matter how subtle can (for me) change this."


(The Guardian, "Childish superstition: Einstein's letter makes view of religion relatively clear," by James Randerson, May 13, 2008)

Great intellectual achievements and originality made the word "Einstein" synonymous with genius.

The institute for advanced study in Princeton, New Jersey, affiliated Einstein until his death in 1955.

More: http://en.wikipedia.org/wiki/Albert_E...

http://www.nobelprize.org/nobe

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Displaying 1 - 3 of 3 reviews
36 reviews
March 20, 2020
Great collection of notes and diaries from thr 30s to the mid 50s of Albert Einstein. In those very confidential pieces the author gives his opinions on other physicians and their work, on everything that was happening in those tumultuous years and his views on how to make a better society and to mitigate the conflict between nation. Even if some of this views may be naive or simplistic in regard of the complexity of the global situation in the forties, it is interesting to see the takes of maybe the greatest genius of the 20th century. The book also has every now and then some mini lectures and explanations on various physics topics to add some variety.
4 reviews
January 8, 2025
Libro molto interessante storicamente, ma quasi del tutto sconnesso con la storia dell'autore. Vengono solamente riportati molti fatti come una sorta di diario e vengono affrontate per la maggior parte del libro, tematiche socio-politiche, che rendono noiosa la lettura.
Profile Image for Maurizio Codogno.
Author 66 books143 followers
May 30, 2015
Questo libro raccoglie vari brevi scritti non tecnici del grande fisico, composti tra il 1933 e il 1950 per un'opera pubblicata originariamente dall'Università Ebraica di Gerusalemme. Il contenuto è molto vario, e si può dividere in tre filoni principali, oltre ad alcune eulogie di colleghi e amici. Ci sono spiegazioni divulgative ad alto livello del percorso che lo ha portato a definire le teorie della relatività ristretta e generale; il loro interesse principale sta nel modo in cui Einstein spiega la sua linea di pensiero unificatrice, riguardando i principi della fisica classica da un punto di vista molto diverso da come vengono insegnati a scuola: più che fisica, insomma, fa (bene) filosofia della fisica. Poi ci sono gli scritti che potremmo definire etici: negli anni si vede la sua sempre maggiore preoccupazione per il nazismo prima e per la guerra fredda poi. Ho trovato interessante il fatto che non abbia mai dato un giudizio aprioristivamente negativo dell'economia comunista, pur avendo grandi dubbi sulla sua implementazione sovietica; d'altra parte era parallelamente preoccupato dalla concentrazione del potere economico statunitense in mano a poche persone (ricordiamoci che emigrò negli USA in piena Depressione...) Le sue idee per la creazione di un vero governo mondiale, ancora piu pressanti dopo l'uso della bomba atomica, sono sicuramente frutto di ottime intenzioni ma risultano a posteriori molto ingenue. Infine la parte che mi ha stupito di più: gli scritti sull'ebraicità. Einstein non era sicuramente credente, e credo non lo si possa nemmeno annoverare tra i deisti; ma sentiva comunque fortissima la sua identità come ebreo, membro di un popolo sparso tra le nazioni e sempre in pericolo: l'immigrazione in Palestina prima e la nascita di Israele dopo sono sempre stati guardati da lui con estremo interesse. In definitiva, un testo che dà da pensare.
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