Something incomprehensible is not for that reason less real.

It is not from space that I must seek my dignity, but from the government of my thought. I shall have no more if I possess worlds. By space the universe encompasses and swallows me up like an atom; by thought I comprehend the world.

The consciousness of the falsity of present pleasures, and the ignorance of the vanity of absent pleasures, cause inconstancy.

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

It is natural for the mind to believe and for the will to love; so that, for want of true objects, they must attach themselves to false.

The truth about nature we discover with our brains. The truth about religion we discover with our hearts.

The arithmetical machine produces effects that approach nearer to thought than all the actions of animals. But it does nothing that would enable us to attribute will to it, as to the animals.