Overfishing is a crime against future generations.

Enthusiasm is common. Endurance is rare.

The only thing necessary for the triumph of evil is for good men to do nothing.

Success is not about how much you achieve, but how much you inspire others to achieve.

The idea of a multiverse is a natural consequence of the inflationary universe model.

量子理论的真正意义不在于方程本身，而在于我们对其的解释。

种一棵树最好的时间是20年前，第二好的时间是现在。