To act without rapacity, to use knowledge with wisdom, to respect interdependence, to operate without hubris and greed are not simply moral imperatives. They are an accurate scientific description of the means of survival.
If some great power would agree to make me always think what is true and do what is right, on condition of being some sort of clock and wound up every morning before I got out of bed, I should close instantly with the offer.
He who would do good to another must do it in minute particulars: general good is the plea of the scoundrel, hypocrite and flatterer. For art and science cannot exist but in minutely organized particulars.
You've got to be brave and you've got to be bold. Brave enough to take your chance on your own discrimination - what's right and what's wrong, what's good and what's bad.
I have found by experience that they who have spent all their lives in cities, improve their talents but impair their virtues; and strengthen their minds but weaken their morals.
Shame and guilt are noble emotions essential in the maintenance of civilized society, and vital for the development of some of the most refined and elegant qualities of human potential - generosity, service, self-sacrifice, unselfishness and duty.
The man who is anybody and who does anything is surely going to be criticized, vilified, and misunderstood. This is part of the penalty for greatness, and every man understands, too, that it is no proof of greatness.