You can't change the past, but you can create the future.

The conjectures of the Langlands program are not merely problems to be solved but a vision of how mathematics should be.

思考是智力的劳动，梦想是智力的欢愉。

认为人性独立于时间、地点和环境，独立于研究和职业，独立于转瞬即逝的时尚和暂时的观点，这种想法可能是一种幻觉。

MRI的发展彻底改变了医学成像领域，使我们能够以以前无法想象的方式看到人体内部。

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.