Books say: She did this because. Life says: She did this. Books are where things are explained to you; life is where things aren't.
科学是提出正确问题的艺术。
你说的话有什么益处呢?如果没有益处还要说,就是白费口舌。
心理学的目的是解释我们如何设法生活。
You have to be comfortable with being uncomfortable if you want to make progress in mathematics.