Until one has loved an animal, a part of one's soul remains unawakened.

Character is doing the right thing when nobody's looking. There are too many people who think that the only thing that's right is to get by, and the only thing that's wrong is to get caught.

过去是一个异国；他们在那里做事的方式不同。

当你解决一个数学问题时，你不仅得到了答案，还理解了为什么这是答案。

The success of a learning algorithm depends on its ability to balance between fitting the data and avoiding overfitting.

The past is a shadow, always following, but never catching up.