"The truth is rarely pure and never simple."

At an early age I learned that people make mistakes, and you have to decide if their mistakes are bigger than your love for them.

Man’s main task in life is to give birth to himself, to become what he potentially is. The most important product of his effort is his own personality.

To be free is not to have no master, but to choose your own.

计算复杂性的美在于它能够根据问题的固有难度对问题进行分类。

The night is a great poem, but the stars are its words.