解释：观察与他交游的人，就知道他的品行好坏。

The most perfect education, in my opinion, is such an exercise of the understanding as is best calculated to strengthen the body and form the heart.

I have not told the half of what I saw.

Happiness is like a butterfly; the more you chase it, the more it will elude you. But if you turn your attention to other things, it will come and sit softly on your shoulder.

生活是一段旅程，如果你爱上了这段旅程，你将永远爱下去。