"Natural knowledge, seeking to satisfy natural wants, has found the ideas which can alone still spiritual cravings. I say that natural knowledge, in desiring to ascertain the laws of comfort, has been driven to discover those of conduct, and to lay the foundations of a new morality."
"I protest that if some great Power would agree to make me always think what is true and do what is right, on condition of being turned into a sort of clock and would up every morning before I got out of bed, I should instantly close with the offer."
"It may be well to remember that the highest level of moral aspiration recorded in history was reached by a few ancient Jews--Micah, Isaiah, and the rest--who took no count whatever of what might not happen to them after death. It is not obvious to me why the same point should not by and by be reached by the Gentiles."
"Tell my son how anxious I am that he may read and learn his Book, that he may become the possessor of those things that a gratefulcountry has bestowed upon his papa--Tell him that his happiness through life depends upon his procuring an education now; and with it, to imbibe proper moral habits that can entitle him to the possession of them."
"There are few things more disturbing than to find, in somebody we detest, a moral quality which seems to us demonstrably superiorto anything we ourselves possess. It augurs not merely an unfairness on the part of creation, but a lack of artistic judgement.... Sainthood is acceptable only in saints."
"The triumph of morality: A thief who has broken into a bedroom claims his sense of shame had been outraged, and by threatening theoccupants with exposure of an immoral act he blackmails them into not bringing charges for burglary."
"... when you make it a moral necessity for the young to dabble in all the subjects that the books on the top shelf are written about, you kill two very large birds with one stone: you satisfy precious curiosities, and you make them believe that they know as much about life as people who really know something. If college boys are solemnly advised to listen to lectures on prostitution, they will listen; and who is to blame if some time, in a less moral moment, they profit by their information?"
"Each man's private conscience ought to be a nice little self-registering thermometer: he ought to carry his moral code incorruptibly and explicitly within himself, and not care what the world thinks. The mass of human beings, however, are not made that way; and many people have been saved from crime or sin by the simple dislike of doing things they would not like to confess ..."