世界的历史就是那些相信自己的人的历史。

"The real voyage of discovery consists not in seeking new landscapes, but in having new eyes."

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.

成为英雄的最大障碍是怀疑自己是否会证明自己是个傻瓜；真正的英雄主义是抵抗这种怀疑，而最深刻的智慧是知道何时应该抵抗，何时应该服从。