Psychology is a science, and teaching is an art; and sciences never generate arts directly out of themselves.
心理学是科学，教学是艺术；科学永远不会直接从自身产生艺术。
The purpose of abstraction is not to be vague, but to create a new semantic level in which one can be absolutely precise.
你的现在无法停留是因为我。
A company's true value is measured by its impact on people and the planet, not just profits.
The act of writing is an act of optimism. You wouldn't take the trouble to do it if you felt it didn't matter.