The Wealth of Nations by Part 5 Chapter 1 Page 54

to property. The benefit of the person who does the injury is often equal to the loss of him who suffers it. Envy, malice, or resentment are the only passions which can prompt one man to injure another in his person or reputation. But the greater part of men are not very frequently under the influence of those passions, and the very worst of men are so only occasionally. As their gratification too, how agreeable soever it may be to certain characters, is not attended with any real or permanent advantage, it is in the greater part of men commonly restrained by prudential considerations. Men may live together in society with some tolerable degree of security, though there is no civil magistrate to protect them from the injustice of those passions.

But avarice and ambition in the rich, in the poor the hatred of labour and