Demosthenes The Funeral Speech 4

[4] The nobility of birth of these men has been acknowledged from time immemorial by all mankind. For it is possible for them and for each one of their remote ancestors man by man to trace back their being, not only to a physical father, but also to this land of theirs as a whole, a common possession, of which they are acknowledged to be the indigenous children. ¹ For alone of all mankind they settled the very land from which they were born and handed it down to their descendants, so that justly one may assume that those who came as migrants into their cities and are denominated citizens of the same are comparable to adopted children; but these men are citizens of their native land by right of legitimate birth. ²