The difficulty lies, not in the new ideas, but in escaping from the old ones.

When somebody persuades me I am wrong, I change my mind.

Newton was a judaic monotheist of the school of Maimonides

Galton's eccentric, sceptical, observing, flashing, cavalry-leader type of mind led him eventually to become the founder of the most important, significant and, I would add, genuine branch of sociology which exists, namely eugenics.

The key to selecting the winner isn't choosing the face you think is the most beautiful but rather the face other people will pick

It is the duty of the long-term investor to endure great losses with equanimity.

Dangerous acts can be done safely in a community which thinks and feels rightly, which would be the way to hell if they were executed by those who think and feel wrongly.