Theoretical physics is a kind of metaphysics.
理论物理学是一种形而上学。
心理学必须是纯粹实验性和分析性的。
The world is full of obvious things which nobody by any chance ever observes.
Fear is the main source of superstition， and one of the main sources of cruelty. To conquer fear is the beginning of wisdom， in the pursuit of truth as in the endeavour after a worthy manner of life.
我总是尊重对手，因为他们让我变得更好。
每一帧都是讲述更深层次故事的机会。
Science is a way of thinking much more than it is a body of knowledge.
我们不是从祖先那里继承森林，而是向子孙借用。