Education is the most powerful weapon which you can use to change the world.

80% of life's most defining moments take place by age 35.

对于企业而言，糟糕的运作加上混乱的管理，结果常常是一笔糊涂帐。

The mind is not a vessel to be filled, but a fire to be kindled.

数学不是观赏性运动，你必须参与其中才能理解。

真正的黑帮像千层面一样安静行动。