没有欢乐的生活就像没有驿站的漫长旅程。

Quality is not an act, it is a habit.

The task of the writer is to make the familiar strange and the strange familiar.

In contemplation, we find the truth.

我创作的灵感来自梦境，也来自现实。

The PAC learning framework provides a formal way to quantify the learnability of a concept class.

我不是那种会让对现在的热爱减少的人。

林业的未来在于平衡经济增长与生态责任。