If you want to live a happy life, tie it to a goal, not to people or things.
La vida es una serie de colisiones con el futuro; no es una suma de lo que hemos sido, sino de lo que anhelamos ser.
I was never really insane except upon occasions when my heart was touched.
可持续性不仅仅是一种趋势,更是我们对后代的责任。
Never to suffer would never to have been blessed.