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君子吃飯無求過飽，……做事要勤奮，說話要謹慎，并能接近有道理的人，向他學習，以糾正自己的缺點，這就可以說是好學的人了。

數學不是關于數字、方程、計算或算法的：它是關于理解的。

A play is fiction—and fiction is fact distilled into truth.

True innovation often comes from unexpected directions.

The rule, or measuring rod, which the behaviorist puts in front of him always is: Can I describe this bit of behavior I see in terms of "stimulus and response"?

史記