Walter Van Tilburg Clark said this quote

True law, the code of justice, the essence of our sensations of right and wrong, is the conscience of society. It has taken thousands of years to develop, and it is the greatest, the most distinguishing quality which has developed with mankind ... If we can touch God at all, where do we touch him save in the conscience? And what is the conscience of any man save his little fragment of the conscience of all men in all time?