The most permanent lessons in morals are those which come, not of book teaching, but of experience.
Mark TwainA private should preserve a respectful attitude toward his superiors, and should seldom or never proceed so far as to offer suggestions to his general in the field. If the battle is not being conducted to suit him, it is better for him to resign. By the etiquette of war, it is permitted to none below the rank of newspaper correspondent to dictate to the general in the field.
Mark TwainWhat's the use you learning to do right , when it's troublesome to do right and it ain't no trouble to do wrong, and the wages is just the same?
Mark TwainAdam and Eve entered the world naked and unashamed - naked and pure-minded. And no descendant of theirs has ever entered it otherwise. All have entered it naked, unashamed, and clean in mind. They entered it modest. They had to acquire immodesty in the soiled mind, there was no other way to get it. ... The convention mis-called "modesty" has no standard, and cannot have one, because it is opposed to nature and reason and is therefore an artificiality and subject to anyone's whim - anyone's diseased caprice.
Mark Twain