It is like taking the sun out of the world, to bereave human life of friendship.
Marcus Tullius CiceroThey are, all of them, born with raging fanaticism in their hearts, just as the Bretons and the Germans are born with blond hair. I would not be in the least bit surprised if these people would not some day become deadly to the human race.
Marcus Tullius CiceroQuacks pretend to cure other men's disorders, but fail to find a remedy for their own.
Marcus Tullius CiceroBut if you should take the bond of goodwill out of the universe no house or city could stand, nor would even the tillage of the fields abide. If that statement is not clear, then you may understand how great is the power of friendship and of concord from a consideration of the results of enmity and disagreement. For what house is so strong, or what state so enduring that it cannot be utterly overthrown by animosities and division?
Marcus Tullius Cicero