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君子掌權臨事，那么連小人都能變為君子，處在這種情況里，還不能成為君子的，那就是貨真價實的小人了；小人弄權擅事，那么一般人都淪為小人，處在這種局面下，仍然不淪為小人的，那就是不折不扣的君子了。

我是個完美主義者，但我學會了放手。

The most important thing in science is not to stop questioning.

The preservation of the means of knowledge among the lowest ranks is of more importance to the public than all the property of all the rich men in the country.

The most important skill for a computer scientist is problem-solving.

Quality is remembered long after price is forgotten.

Human beings are not born once and for all on the day their mothers give birth to them, but life obliges them over and over again to give birth to themselves.

千里之行，始于足下。