Parents fear the destruction of natural affection in their children. What is this natural principle so liable to decay? Habit is a second nature, which destroys the first. Why is not custom nature? I suspect that this nature itself is but a first custom, as custom is a second nature.

When I see the blind and wretched state of men, when I survey the whole universe in its deadness, and man left to himself with no light, as though lost in this corner of the universe without knowing who put him there, what he has to do, or what will become of him when he dies, incapable of knowing anything, I am moved to terror, like a man transported in his sleep to some terrifying desert island, who wakes up quite lost, with no means of escape. Then I marvel that so wretched a state does not drive people to despair.

The mind of the greatest man on earth is not so independent of circumstances as not to feel inconvenienced by the merest buzzing noise about him; it does not need the report of a cannon to disturb his thoughts. The creaking of a vane or a pully is quite enough. Do not wonder that he reasons ill just now; a fly is buzzing by his ear; it is quite enough to unfit him for giving good counsel.

Let us, then, take our compass; we are something, and we are not everything. The nature of our existence hides from us the knowledge of first beginnings which are born of the nothing; and the littleness of our being conceals from us the sight of the infinite. Our intellect holds the same position in the world of thought as our body occupies in the expanse of nature.

To ridicule philosophy is really to philosophize.

I do not admire a virtue like valour when it is pushed to excess, if I do not see at the same time the excess of the opposite virtue, as one does in Epaminondas, who displayed extreme valour and extreme benevolence. For otherwise it is not an ascent, but a fall. We do not display our greatness by placing ourselves at one extremity, but rather by being at both at the same time, and filling up the whole of the space between them.

The man who knows God but does not know his own misery, becomes proud. The man who knows his own misery but does not know God, ends in despair...the knowledge of Jesus Christ constitutes the middle course because in him we find both God and our own misery. Jesus Christ is therefore a God whom we approach without pride, and before whom we humble ourselves without despair.