随着年龄的增长，你会发现你有两只手，一只用来帮助自己，另一只用来帮助别人。
As you grow older, you will discover that you have two hands, one for helping yourself, the other for helping others.
The only real failure in life is not to be true to the best one knows.
整个言语行为包括发声的行为和表达意义的行为。