But doubt is wily and cunning and never, as it is sometimes said to be, loud or defiant. It is unassuming and sly, not bold or assertive - and the more unassuming, the more dangerous.

Death induces the sensual person to say: Let us eat and drink, because tomorrow we shall die - but this is sensuality's cowardly lust for life, that contemptible order of things where one lives in order to eat and drink instead of eating and drinking in order to live.

No grand inquisitor has in readiness such terrible tortures as has anxiety and no spy knows how to attack more artfully the man he suspects, choosing the instant when he is weakest; nor knows how to lay traps where he will be caught and ensnared as anxiety knows how, and no sharp-witted judge knows how to interrogate, to examine the accused, as anxiety does, which never lets him escape.

I have attacked no one as not being a Christian, I have condemned no one.

God creates everything out of nothing. And everything which God is to use, he first reduces to nothing

I begin with the principle that all men are bores. Surely no one will prove himself so great a bore as to contradict me in this.

To the frivolous Christianity is certainly not glad tidings, for it wishes first of all to make them serious.