Don’t stop when you’re tired. Stop when you’re done.

自然知识的改进者绝对拒绝承认所谓的权威。

Charity:a thing that begins at home,and usually stays there.

绘画是一种道德行为。

如果我们让过去和现在争吵,我们将失去未来。

The worst pain a man can suffer is to have insight into much and power over nothing.

I don't think about the past. The only thing that matters is the future.

"Science is a way of thinking much more than it is a body of knowledge."

创作的行为是一种爱的行为。