The use of a thing is only a part of its significance. To know anything thoroughly, to have the full command of it in all its appliances, we must study it on its own account, independently of any special application.
Johann Wolfgang von GoetheAll intelligent thoughts have already been thought; what is necessary is only to try to think them again.
Johann Wolfgang von GoetheIf a man or woman is born ten years sooner or later, their whole aspect and performance shall be different.
Johann Wolfgang von Goethe