When Adam delved and Eve span, who was then the gentleman?
Let your smile change the world, but don't let the world change your smile!
People are of two types: they are either your brothers in faith or your equals in humanity.
Ali Ibn Abi Talib
The only sin in the world is ignorance.
Henry David Thoreau
Anyone can find the switch after the lights are on.
Everything changes, nothing remains without change.