In plants, the ability to recognize self from nonself plays an important role in fertilization, because self-fertilization will result in less diverse offspring than fertilization with pollen from another individual.

I trow you must excomunicate me, or els you must goe without their companie, or we shall wante no quareling; but let them pass.

… Or warring with the spirits who may dare Dispute with him Who made all empire, empire; or recalling Some wandering star, which shoots through the abyss Whose tenants dying, while their world is falling Share the dim destiny of clay in this.

And if you would like one more fact about this worthy, he was responsible for an Act on the statute book abolishing the death penalty for cattle rustling.