I suppose when they reach a certain age some men are afraid to grow up. It seems the older the men get, the younger their new wives get.

The more time I spent on mathematics, the more excited I got.

解释：割地给秦国（来求得暂时的安稳），就好像抱着木柴救火一样，木柴烧不不完，火就不会灭。

The only way out is through.

后悔是我们喝下的毒药，却希望别人会死。

江河的水之所以浩浩荡荡，并非只由一个源头流出来；无比珍贵的皮衣，并非只由一只狐狸腋下的毛皮所能制成。