When someone tells you about the peak year of human history， the period of time when things were good before things went downhill， it will always be the years of when they were 10 years sold — which is the peak of any human’s existence.

The past is never dead. It's not even past.

A first sign of the beginning of understanding is the wish to die.

"The only limit to our realization of tomorrow is our doubts of today."

冒险应该是80%的规划和20%的纯粹大胆。