Every tree we plant today is an investment in tomorrow's clean air and healthy ecosystems.
You really don’t want to be famous. Read the biography of any famous person.
The only way to discover the limits of the possible is to go beyond them into the impossible.
 释义:贫穷和地位低下不是什么耻辱的事,但因为贫穷和地位低下而向他人谄媚奉承,乞求得到施舍,就真是耻辱。