In general, children, like men, and men, like children, prefer entertainment to education.

You can be sure that a painter reveals himself in his work as much as and more than a writer does in his.

You live as if you were destined to live forever, no thought of your frailty ever enters your head, of how much time has already gone by you take no heed. You squander time as if you drew from a full and abundant supply, so all the while that day which you bestow on some person or thing is perhaps your last. You have all the fears of mortals and all the desires of immortals… What foolish forgetfulness of mortality to defer wise resolutions to the fiftieth or sixtieth year, and to intend to begin life at a point to which few have attained.

A thing is not proved because no one has ever questioned it... Skepticism is the first step toward truth.

I discuss with myself questions of politics, love, taste, or philosophy. I let my mind rove wantonly, give it free rein to followany idea, wise or mad that may present itself. My ideas are my harlots.

Wandering in a vast forest at night, I have only a faint light to guide me. A stranger appears and says to me: 'My friend, you should blow out your candle in order to find your way more clearly.' This stranger is a theologian.

If there are one hundred thousand damned souls for one saved soul, the devil has always the advantage without having given up his son to death.