Mental processes are biological tools for survival.

Sometimes you have to lose yourself to find yourself.

The art of leather crafting is a dialogue between the past and the future.

Combinatorics is like the art of counting without actually counting.

"Prime numbers are what is left when you have taken all the patterns away. I think prime numbers are like life. They are very logical but you could never work out the rules, even if you spent all your time thinking about them."

八小时的训练,痛的只是身体,但如果输球,你痛的是心。