The essence of computational complexity is to understand the limits of what can be computed efficiently.

"The markets are always changing, and so should your strategies."

I don't think about being the best. I think about being better than yesterday.

The only thing that will redeem mankind is cooperation.

遇宠辱而不惊则肝自宁，或动或静只要慎重则心自静，饮食有所节制则脾自安，调节呼吸少言语则肺自保全，淡泊少欲则肾气自足。