Reveal not every secret you have to a friend, for how can you tell but that friend may hereafter become and enemy. And bring not all mischief you are able to upon an enemy, for he may one day become your friend.
When a mean wretch cannot vie with another in virtue, out of his wickedness he begins to slander. The abject envious wretch will slander the virtuous man when absent, but when brought face to face his loquacious tongue becomes dumb.
Riches are for the comfort of life, and not life for the accumulation of riches. I asked a holy wise man, "Who is fortunate and who is unfortunate?" He replied: "He was fortunate who ate and sowed, and he was unfortunate who died without having enjoyed.