The only way to discover the limits of the possible is to go beyond them into the impossible.
People, even more than things, have to be restored, renewed, revived, reclaimed, and redeemed; never throw out anyone.  
Keep your face always toward the sunshine—and shadows will fall behind you.
所有他人身上让我们恼怒的事情,都能引导我们更好地理解自己。
The greatest prosperity can exist only as the result of the greatest possible productivity of the men and machines in the establishment.