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 GoetheIt is a mistake for a taciturn, serious-minded woman to marry a jovial man, but not for a serious-minded man to marry a lighthearted woman.
Johann Wolfgang von Goethe