不要停止相信，除非你的梦想很糟糕。

经验是我们给自己的错误起的名字。

我画人不是因为他们是什么样的人，也不完全不管他们是什么样的人，而是碰巧他们就是那样。

可持续性不是一个选择；它是我们对后代的责任。

In our reasonings concerning matter of fact， there are all imaginable degrees of assurance， from the highest certainty to the lowest species of moral evidence.

The man who does not work for the love of work but only for money is not likely to make money nor to find much fun in life.