The biggest mistake you can make is thinking you know everything.
The greatest danger is not that we will lose our way, but that we will become content with where we are.
The only real progress lies in learning to be wrong all alone.
The elements of consciousness are the irreducible components of mental life.
Where returns are concerned, time is your friend. But where costs are concerned, time is your enemy.
在回报方面，时间是你的朋友。但在成本方面，时间是你的敌人。