人生的大悲剧不是死亡，而是停止去爱。
The great tragedy of life is not that men perish, but that they cease to love.
Every mathematical problem has a solution; the challenge is finding it.
The artist must be a servant of the absolute.
And, after all, what is a fashion? From the artistic point of view, it is usually a form of ugliness so intolerable that we have to alter it every six months.
Black holes are not just cosmic vacuums; they are the ultimate laboratories for testing the limits of our physical theories.
In science, there is no such thing as a final answer.
We make things to remember, and we remember by making things.