数学的快乐来自于为理解而奋斗。
The joy of mathematics comes from the struggle to understand.
The time factor is the most important in trading. Time can turn a small profit into a large one.
文学应该让安逸者不安,让不安者得到安慰。
谁笑到最后,谁笑得最好。
We change our behavior when the pain of staying the same becomes greater than the pain of changing.