优化是在给定约束条件下做出最佳选择的艺术。

"The only limit to our realization of tomorrow will be our doubts of today."

投资者应避免市场时机选择和个股选择。

Every cell in your body carries a story billions of years old.

The greatness of human actions is measured by the inspiration that gives rise to them.

孩子的精神比一般人认为的更为高尚。

没有真正的结局。那只是你停止故事的地方。