The study of the mind must be value-free.
如果你想走得快，就独自前行；如果你想走得远，就结伴同行。
In the end, we only regret the chances we didn't take.
Education must, be not only a transmission of culture but also a provider of alternative views of the world and a strengthener of the will to explore.
The desire for recognition, the thymotic part of the soul, is the most politically dangerous part of human nature.
Our ideas of what we believe to be， are not of what they are， but only of what they seem to be.