两虎相斗而驽犬受其弊。
解释：两虎相斗而劣狗趁机得到好处。
对探究的自由必须没有任何障碍……科学中没有教条的位置。
我们不是从祖先那里继承皮革，而是从子孙那里借来的。
Men become old, but they never become good.
There is no such thing as a small life. Every existence contains the universal.
