Courage is not the absence of fear, but the triumph over it.

催化不仅仅是让反应更快，而是让反应更好。

二叠纪盆地将在未来几十年内保持美国石油生产的皇冠地位。

The cultivation of flowers and trees is the cultivation of the good, the beautiful and the true.

动物体内的血液被推动着循环，处于永不停息的状态。