If you're not failing every now and then, you're not doing anything very innovative.
The only way to achieve the impossible is to believe it is possible.
百姓如果没有粮食,就不能供君王役使。所以,粮食不可不努力耕种,用度不可不厉行节俭。 
词语的问题在于你永远不知道它们曾经过谁的嘴。