可持续性不是一种趋势，而是我们对后代的责任。

Success does not consist in never making mistakes but in never making the same one a second time.

The secret to success is learning how to use pain and pleasure instead of having pain and pleasure use you. If you do that, you’re in control of your life. If you don’t, life controls you.

The only real death is the death of the spirit.

"Language is a skin: I rub my language against the other. It is as if I had words instead of fingers, or fingers at the tip of my words."