Perception is the result of the activity of the five senses; through sensation, we come to know the world.

生活中最好的老师是经验。

If you want to solve big problems, start by asking the right questions.

错误同真理的关系，就象睡梦同清醒的关系一样。一个人从错误中醒来，就会以新的力量走向真理。

办事果断的人看起来好像忙碌，其实心中常有闲暇。因循苟且的人看起来闲暇，其实心中常有牵念。