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.

The history of every country begins in the heart of a man or a woman.

我一直相信，如果你想在生活中取得任何成就，就必须为之努力。

生物学中的主要问题不是通过新技术解决的，而是通过新思想解决的。

我相信讲故事的力量可以改变世界。