The very idea of law originates in men's natural rights. There is no other standard, than natural rights, by which civil law can be measured. Law has always been the name of that rule or principle of justice, which protects those rights. Thus we speak of natural law.

The apology, that is constantly put forth for the injustice of government, viz., that a man must consent to give up some of his rights, in order to have his other rights protected - involves a palpable absurdity, both legally and politically.

If two individuals enter into a contract to commit trespass, theft, robbery or murder upon a third, the contract is unlawful and void, simply because it is a contract to violate natural justice, or men's natural rights.

Lysander Spooner Quotes