Geoffrey

“Ask not what your country can do for you; ask what you can do for your country.”
― John F. Kennedy

“The Chinese use two brush strokes to write the word 'crisis.' One brush stroke stands for danger; the other for opportunity. In a crisis, be aware of the danger--but recognize the opportunity.”
― John F. Kennedy

“If you can't explain it to a six year old, you don't understand it yourself.”
― Albert Einstein

“In France, a chemist named Pilatre de Rozier tested the flammability of hydrogen by gulping a mouthful and blowing across an open flame, proving at a stroke that hydrogen is indeed explosively combustible and that eyebrows are not necessarily a permanent feature of one's face.”
― Bill Bryson, A Short History of Nearly Everything