We've already had Malthus, the friend of humanity. But the friend of humanity with shaky moral principles is the devourer of humanity, to say nothing of his conceit; for, wound the vanity of any one of these numerous friends of humanity, and he's ready to set fire to the world out of petty revenge - like all the rest of us, though, in that, to be fair; like myself, vilest of all, for I might well be the first to bring the fuel and run away myself.