Principles are things which one calls upon to avoid something unpleasant.
It's unfair of a circle to accuse the angle of being sharp.
One must live with all, e'en if life be hell: Crime makes shame, not monetary stricture.
There is only one evil, one crime, one sin: lack of heart.
Two left-handed gloves don't make a pair. Two half-truths don't make a truth.
There is nothing more poetic than the truth. He who does not see poetry in it will always be a poor versifier outside of it.