“Miracles do not, in fact, break the laws of nature.”

“The pleasure of novelty is by its very nature more subject than any other to the laws of diminishing returns.”

“If ants had a language they would, no doubt, call their anthill an artifact and describe the brick wall in its neighborhood as a natural object. Nature in fact would be for them all that was not 'ant-made'.”

“The Moral Law isn't any one instinct or any set of instincts: it is something which makes a kind of tune (the tune we call goodness or right conduct) by directing the instincts. (...) The most dangerous thing you can do is to take any one impulse of your own nature and set it up as the thing you ought to follow at all costs. There's not one of them which won't make us into devils if we set it up as an absolute guide. You might think love of humanity in general was safe, but it isn't. If you leave out justice you'll find yourself breaking agreements and faking evidence in trials 'for the sake of humanity,' and become in the end a cruel and treacherous man.”

“We may give our human loves the unconditional allegiance which we owe only to God. They they become gods: then they become demons. Then they will destroy us, and also destroy themselves. For natural loves that are allowed to become gods do not remain loves. They are still called so, but can become in fact complicated forms of hatred.”

“There is nothing indulgent about the Moral Law. It is as hard as nails. It tells you to do the straight thing and it does not seem to care how painful, or dangerous, or difficult it is to do.”

“The road to the promised land runs past Sinai. The moral law may exist to be transcended: but there is no transcending it for those who have not first admitted its claims up on them, and then tried with all their strength to meet that claim, and fairly and squarely faced the fact of their failure.”