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The purpose of abstraction is not to be vague, but to create a new semantic level in which one can be absolutely precise.

If we don’t do something now, the world our children inherit will be much poorer than the one we were given.

我們應該用結果來衡量成功，而不僅僅是投入。

Success is not accidental, but achieved through continuous effort and persistence.

一本好的圖畫書應該完全不需要文字也能表達。

時間是最好的老師，但遺憾的是，它殺死了所有的學生。

晏子春秋

創新不僅僅是創造新事物；它關乎改進已有的事物。