The great end of life is not knowledge but action.  
人生的伟大目标不在于求知,而在于行动。
我们不与任何人竞争,只与自己竞争,做到最好。
Life is not about waiting for the storms to pass, it's about learning how to dance in the rain.
The best way to predict the future is to invent it.
成功的关键是专注于目标,而不是障碍。
Mathematics is the art of turning complexity into clarity.