Though the Earth, and all inferior Creatures be common to all Men, yet every Man has a Property in his own Person. Thus no Body has any Right to but … - John Locke

Every man has a property in his person, This nobody has a right to, but himself.

To speak less learnedly, and more intelligibly,

God gave the World to Men in Common; But since he gave it them for their benefit, and the greatest Conveniencies of life they were capable to draw from it, it cannot be supposed he meant it should always remain common and uncultivated. He gave it to the use of the industrious and Rational, (and Labour was to be his Title to it;) not to the fancy or covetousness of the quarrelsome and contentious.

He that had as good left for his improvement as was already taken up, needed not complain, ought not to meddle with what was already improved by another's labour: