All human knowledge is from experience.

Leadership is about empowering others to achieve what they thought was impossible.

The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.

The human mind is so complex and things are so tangled up with each other that, to explain a blade of grass, one would have to make a diagram of the universe.

Persistence in research is key; nature reveals its secrets only to those who are patient.

投资者和投机者之间最现实的区别在于他们对股市波动的态度。