实现明天的唯一限制将是我们今天的疑虑。
可以利用身体自身的防御机制来对抗癌症。
当你怀疑自己能否飞翔的那一刻，你就永远失去了飞翔的能力。
The art of doing mathematics consists in finding that special case which contains all the germs of generality.
The painter must give a completely accurate account of their experience of looking at the subject.