One man may have some special knowledge at first-hand about the character of a river or a spring, who otherwise knows only what everyone else knows. Yet to give currency to this shred of information, he will undertake to write on the whole science of physics. From this fault many great troubles spring.
Michel de MontaigneWe do not marry for ourselves, whatever we say; we marry just as much or more for our posterity, for our family. The practice and benefit of marriage concerns our race very far beyond us.
Michel de Montaigne