The most important thing about a theory is that it explains the facts.

The mother is the main factor in the child's world. Her behavior creates the behavior of the child.

The only limit to our realization of tomorrow is our doubts of today.

我不相信运气。我相信准备遇到机会。

每一个词都承载着它的历史重量。

美好生活是一个过程，而不是一种状态。它是一个方向，而不是一个目的地。

如果你能梦想，你就能做到。