Quality is never an accident; it is always the result of intelligent effort.
Writing is a way of making sense of the world, and of making sense of ourselves.
幸福需要快乐和目标两者兼具——仅靠其中一项是不够的。
最好的数学不仅正确,而且具有启发性。
The most thought-provoking thing in our thought-provoking time is that we are still not thinking.