All human knowledge is from experience.
The Internet is a reflection of our society and it magnifies both the good and the bad.
Running is not about being better than someone else. It's about being better than you used to be.
死亡终将是尽头,但生活充满了无限的可能。
A good mathematician is always ready to generalize.
The proletariat is the universal class, the class whose radical chains are capable of bursting asunder.