He who knows himself well will very soon 25 learn to know all other men: it is all reflection (Zurückstrahlung). Lichtenberg.
He who knows how to sunder jest and earnest is a wise man, and who by cheerful playfulness reinvigorates himself for strenuous diligence. Rückert.
He who knows not the world, knows not his own place in it. Marcus Aurelius.
He who knows right principles is not equal to him who loves them. Confucius.
He who laughs at crooked men should need walk very straight. Pr.
He who laughs can commit no deadly sin. 30 Goethe's Mother.
He who lays out for God lays up for himself. Pr.
He who learns and makes no use of his learning is a beast of burden with a load of books. Saadi.
He who learns the rules of wisdom without conforming to them in his life, is like a man who labours in his fields but does not sow. Saadi.
He who likes borrowing dislikes paying. Pr.