Douglas

“Never open the door to a lesser evil, for other and greater ones invariably slink in after it.”
― Baltasar Gracian, The Art of Worldly Wisdom: A Pocket Oracle

“You have brains in your head. You have feet in your shoes. You can steer yourself any direction you choose. You're on your own. And you know what you know. And YOU are the one who'll decide where to go...”
― Dr. Seuss, Oh, the Places You’ll Go!

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

“But once an original book has been written-and no more than one or two appear in a century-men of letters imitate it, in other words, they copy it so that hundreds of thousands of books are published on exactly the same theme, with slightly different titles and modified phraseology. This should be able to be achieved by apes, who are essentially imitators, provided, of course, that they are able to make use of language.”
― Pierre Boulle, Planet of the Apes