The opposite of a correct statement is a false statement. But the opposite of a profound truth may well be another profound truth.

唯一的限制是你为自己设定的限制。

When someone says it ain't the money,but its the principal of the thing,it's the money.

化学是在微观和宏观之间搭建桥梁的艺术。

避免错误的最佳方式是积累经验。