To be human is to be guilty.

Chemistry is the science of connections, both literal and metaphorical.

Reality is not only stranger than we suppose, but stranger than we can suppose.

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.

时间并不存在。对于河水来说，只有当下。没有过去，没有未来。

Transcend the individual, pursue the universal.

在数学中，提出问题的艺术必须比解决问题更有价值。