Action and knowledge are not obstacles to each other.
In despair, we can find true hope.
The future we want must be invented. Otherwise we will get one which we don't want.
We are all just passing through, leaving only shadows behind.
未来不是我们进入的东西。未来是我们创造的东西。
The way we perceive the world is shaped by our expectations, and often, what we see is what we expect to see.
在数学中，你不理解事物。你只是习惯它们。
The most important single central fact about a free market is that no exchange takes place unless both parties benefit.