We need to design policies that account for human psychology, not just economic theory.

Don't worry about failures, worry about the chances you miss when you don't even try.

唯一真正的希望是心灵的希望。

The whole conviction of my life now rests upon the belief that loneliness, far from being a rare and curious phenomenon, peculiar to myself and to a few other solitary men, is the central and inevitable fact of human existence.