Psychology must be grounded in the facts of living experience.

Becoming fearless isn't the point. That's impossible. It's learning how to control your fear, and how to be free from it.

向高处攀登的奋斗本身足以充实一个人的心灵。必须想象西西弗斯是幸福的。

Time is a slippery thing: lose hold of it once, and its string might sail out of your hands forever.