Lock up your libraries if you like; but there is no gate, no lock, no bolt that you can set upon the freedom of my mind.

The most important property of a program is whether it accomplishes the intention of its user.

There are only two things in life that are busy living and dying.

悲伤不是一条线，让你无限远离失去。它是一个圆，你会一次又一次回到同一个地方。

机器学习中的挑战不仅仅是发现数据中的模式，而是发现能够推广到新的、未见过的数据的模式。

The loss of money is the least of all losses, but the loss of confidence is the greatest of all.

命运就是自然规律，是事物发展的内在必然性。