All the gold which is under or upon the earth is not enough to give in exchange for virtue. — Plato (428-348 BC)
A Good Heart
A good heart is worth gold. — William Shakespeare (1564-1616)
Truth
Truth, like gold, is to be obtained not by its growth, but by washing away from it all that is not gold. — Leo Tolstoy (1828-1910)
Eudaimonia 