Human beings, viewed as behaving systems, are quite simple. The apparent complexity of our behavior over time is largely a reflection of the complexity of the environment in which we find ourselves.

如果你不喜欢某件事，就改变它。如果你无法改变它，就改变你的态度。

Sometimes, the hardest thing in life is to know which bridge to cross and which to burn.

A lot of people are afraid to say what they want. That's why they don't get what they want.

我不会让世界沉默我的声音。

行动和知识不是彼此的障碍。