A little knowledge that acts is worth infinitely more than much knowledge that is idle.

All knowledge that the world has ever received comes from the mind; the infinite library of the universe is in our own mind.

Christianity, if false, is not important. If Christianity is true, however, it is of infinite importance. What it cannot be is moderately important.

Humanism was not wrong in thinking that truth, beauty, liberty, and equality are of infinite value, but in thinking that man can get them for himself without grace.

If a thing loves, it is infinite.

Limited in his nature, infinite in his desire, man is a fallen god who remembers heaven.

Only two things are infinite, the universe and human stupidity, and I'm not sure about the former.

The body of man is a limitation. Only the spirit opens onto the infinite.

The desire to fly is an idea handed down to us by our ancestors who... looked enviously on the birds soaring freely through space... on the infinite highway of the air

We must accept finite disappointment, but never lose infinite hope.