The lawgiver, of all beings, most owes the law allegiance. He of all men should behave as though the law compelled him. But it is the universal weakness of mankind that what we are given to administer we presently imagine we own. – H. G. Wells
This is one my favorites because it gets to the heart of a cognitive bias. It’s somewhat similar to “familiarity breeds contempt”. We begin to feel possessive about things that are part of our daily lives.