"And he who does not know himself does not know others, so it may be said with equal truth, that he who does not know others knows himself but very imperfectly."

Previous Quote

The natural inequality of the two powers of population and of production in the earth, and that great law of our nature which must constantly keep their efforts equal, form the great difficulty that to me appears insurmountable in the way to the perfectibility of society.

— Thomas Malthus