学习数学的唯一方法就是做数学。

世界是一本书，不旅行的人只读了一页。

By plucking her petals you do not gather the beauty of the flower.

The computer is a medium of expression, like a violin or a paintbrush.

I think goals should never be easy, they should force you to work, even if they are uncomfortable at the time.

投资者需要学会控制自己的情绪，不要被市场情绪左右。

你能经历的最大冒险就是过你梦想的生活。