Happiness is neither within us only, or without us; it is the union of ourselves with God. - Blaise Pascal

Two contrary reasons. We must begin with that, otherwise we cannot understand anything and everything is heretical. And even at the end of each truth we must add that we are bearing the opposite truth in mind.

What a chimaera then is man, what a novelty, what a monster, what chaos, what a subject of contradiction, what a prodigy! Judge of all things, yet an imbecile earthworm; depository of truth, yet a sewer of uncertainty and error; pride and refuse of the universe. Who shall resolve this tangle?

But there are some who can only admire worldly greatness, as though there were no intellectual greatness; and others who only admire intellectual greatness, as though there were not infinitely higher things in wisdom.