I rather live as if God exists to find out that He doesn't than live as if he doesn't exist to find out He does.

When I consider the small span of my life absorbed in the eternity of all time, or the small part of space which I can touch or see engulfed by the infinite immensity of spaces that I know not and that know me not, I am frightened and astonished to see myself here instead of there … now instead of then.

The philosophers talk to you about the dignity of man, and they tempt you to pride, or they talk to you about the misery of man, and they tempt you to despair.

I can readily conceive of a man without hands or feet; and I could conceive of him without a head, if experience had not taught me that by this he thinks, Thought then, is the essence of man, and without this we cannot conceive of him.

We sail within a vast sphere, ever drifting in uncertainty, driven from end to end. When we think to attach ourselves to any pointand to fasten to it, it wavers and leaves us; and if we follow it, it eludes our grasp, slips past us, and vanishes for ever. Nothing stays for us.

At the centre of every human being is a God-shaped vacuum which can only be filled by Jesus Christ.

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.