The longer I live the more I see that I am never wrong about anything, and that all the pains I have so humbly taken to verify my notions have only wasted my time.

The only purpose for which power can be rightfully exercised over any member of a civilized community， against his will， is to prevent harm to others.

Every challenge in agriculture is an opportunity to redefine how we feed the world.

Friends congratulate me after a quarterly-earnings announcement and say, 'Good job, great quarter.' And I'll say, 'Thank you, but that quarter was baked three years ago.'

朗兰兹纲领证明了抽象思维在数学中的力量。

花朵总能让人们变得更好、更快乐、更乐于助人；它们是心灵的阳光、食物和良药。