The greatest threat to our planet is the belief that someone else will save it.

The most profound discoveries in mathematics often come from the simplest observations.

释义：上顺应于天，下取悦于民。使民众喜悦，人民便忘记了劳苦；用喜悦战胜困难，民众就会忘掉死亡的威胁，喜悦的作用太大了，它能勉励民众！

没事要戒掉一个“偷”字，有事要戒掉一个“乱”字。

理解量子系统的复杂性是释放其计算潜力的关键。