交换、交易和互换的倾向普遍存在于所有人之中，而在其他动物种族中找不到。
The propensity to truck， barter， and exchange one thing for another is common to all men， and to be found in no other race of animals.
We still have a long way to go. But we are moving in the right direction.
People who learn to control inner experience will be able to determine the quality of their lives, which is as close as any of us can come to being happy.
Every saint has a past, and every sinner has a future.
Our goal is to make music that touches hearts.
你不能敲机会的门却没准备好。