"I believe in the power of books to change lives."

The test of a psychological idea is its life-enhancing power.

"Poetry is the music of the soul, and, above all, of great and feeling souls."

世界上最昂贵的东西是信任。赢得信任可能需要数年，而失去它可能只需要几秒钟。

成功的配方：少承诺，多给予。