只有在梦想中，人才能真正自由。从来如此也将永远如此。
But only in their dreams can men be truly free. Twas always thus, and always thus will be.
If you are under the impression you have already perfected yourself， you will never rise to the heights you are no doubt capable of.
不要让他人意见的噪音淹没了你内心的声音。
Every psychological phenomenon is a function of the whole organism adapting to its environment.
The study of mathematics is like air or water to the development of science.