Three passions, simple but overwhelmingly strong, have governed my life: the longing for love, the search for knowledge, and unbearable pity for the suffering of mankind.
三种激情,简单但无比强烈,支配着我的生活:对爱的渴望,对知识的追求,以及对人类苦难的无法忍受的怜悯。
The secret to living is giving.
精神生活本质上是适应性的