The past is never dead. It's not even past.

"I'm not a politician. I'm an artist. I don't have to be politically correct."

In the quest for understanding the cosmos, every question answered leads to a dozen more.

学习数学的唯一方法就是做数学。

The great ideological battles between liberalism and communism, or between democracy and authoritarianism, have been replaced by a general consensus on the desirability of liberal democracy.

算法的真正考验不仅在于其正确性，还在于其可扩展性和鲁棒性。