Alan Turing — "The only constant in life is change."

"The future belongs to those who believe in the beauty of their dreams."

"Mother has been staying here, and we seem to be getting on a good deal better. I have been subjecting her to a good deal of sexual enlightenment and she seems to have stood up to it very well. There w…"

"A smallish proportion are supercritical. An idea presented to such a mind may give rise to a whole 'theory' consisting of secondary, tertiary and more remote ideas. Animals' minds seem to be very defi…"

"The view that machines cannot give rise to surprises is due, I believe, to a fallacy to which philosophers and mathematicians are particularly subject."

"The most beautiful thing we can experience is the mysterious."