A person may cause evil to others not only by his actions but by his inaction， and in either case， he is justly accountable to them for the injury.

I don't follow the crowd, I lead it.

所有行为最终都可简化为物理和化学过程。

读报或者看电视新闻时，总是难免碰上一个又一个的为社会问题的解决提供了新的解决方案的人。