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The revolution is not an apple that falls when it is ripe. You have to make it fall.

Look at a day when you are supremely satisfied at the end. It's not a day when you lounge around doing nothing; it's a day you've had everything to do and you've done it.

我在數學上花的時間越多，我就越興奮。

The act of writing is an act of self-discovery.

Setting goals is the first step in turning the invisible into the visible.

Innovation is not just about creating something new; it's about making a difference in people's lives.

別人勝過我，沒有什么害處，因為這樣的話，別人不會在他們的內心深處積下對我的怨恨；我勝過別人，不一定是什么好事，因為這樣的話，那些心胸狹窄之人，恐怕會給我降下難以預測的災禍。

The human being needs sadness as much as he needs joy.

Heredity is nothing, environment is everything.