Human thought and behavior are part of nature and therefore can be studied by the methods of natural science.
人类的思想和行为是自然的一部分，因此可以通过自然科学的方法来研究。
Those who deny freedom to others, deserve it not for themselves; and, under a just God, can not long retain it.
The light passes from ridge to ridge.
The beauty of a program is in its simplicity.
The only limit to our realization of tomorrow will be our doubts of today.
He not busy being born is busy dying.
Humor is a way to deal with the absurdity of life.
有时候问题很复杂，但答案却很简单。
唤醒天才的是困难。