To understand recursion, one must first understand recursion.

音乐可以改变世界，因为它可以改变人的思想。

"Without the past, there is no future."

农民的智慧往往来自观察土地在不同季节的教诲。

Between stimulus and response there is a space. In that space is our power to choose our response. In our response lies our growth and our freedom.

The knowledge of the past stays with us to spur us on to new and better things.

The true measure of leadership is impact, not authority.

黄金法则永远不会过时，它是所有其他美德的基础。（黄金法则：想要别人怎么对待你，你就要怎么对待别人）