Society can and does execute its own mandates， and if it issues wrong mandates instead of right， or any mandates at all in things with which it ought not to meddle， it practices a social tyranny more formidable than many kinds of political oppression， since， though not usually upheld by such extreme penalties， it leaves fewer means of escape， penetrating much more deeply into the details of life， and enslaving the soul itself.

I don’t know how tall I am or how much I weigh. Because I don’t care.

Every seed we plant today carries the potential to transform tomorrow's food systems.《Seeding the Future》

The principle goal of education is to create men who are capable of doing new things, not simply repeating what other generations have done.

做出伟大工作的唯一方法就是热爱你所做的事情。如果你还没有找到，继续寻找。不要安于现状。