Happiness depends on the inner self, not the external world.

Collaboration is the key to solving the world's most pressing problems.

释义：万物本质平等，无贵贱之分。

Literature is the memory of humanity.

I was born to make mistakes, not to fake perfection.

We must resist the temptation to make African art merely illustrative of theory.

交易成功的关键是纪律和风险管理。