Many a man, brought up in the glib profession of some shallow form of Christianity, who comes through reading Astronomy to realize for the first time how majestically indifferent most reality is to man, and who perhaps abandons his religion on that account, may at that moment be having his first genuinely religious experience.

For you will certainly carry out God's purpose, however you act, but it makes a difference to you whether you serve like Judas or like John.

Now that I am a Christian I do have moods in which the whole thing looks improbable: but when I was an atheist I had moods in which Christianity looked terribly probable.

You Too? I thought I was the only one.

It still remains true that no justification of virtue will enable a man to be virtuous.

The laws of thought are also the laws of things: of things in the remotest space and the remotest time.

A young man who wishes to remain a sound atheist cannot be too careful of his reading.