"When one engages in business or in an occupation to earn money, one should not be motivated by desire for gain alone, but by the necessity of supplying his basic requirements, such as food, drink, habitation, and marriage." -- The Ways of the Tzadikkim, The Gate of Love, pg 119
"One should not eat and drink as much as he wishes, but only as much as is necessary to insure the well-being of his body and no more." -- The Ways of the Tzadikkim, The Gate of Love, pg 121
"The righteous eat to their hearts' content, but the stomach of the wicked goes hungry." -- Mishlei 13:25
"Who is mighty? He who subdues his passions, as it is written (Mishlei 16:32) 'One who is slow to anger is better than the mighty, and one whose temper is controlled than one who captures a city.' " -- Avot 4:1
Rabbi Eleazar ha-Kappar used to say: "Jealousy, lust, and ambition remove man from the world." -- Avot 4:28
"If a person who withholds himself from wine is called a sinner, how much more so is one a sinner who withdraws from all of life's enjoyments." -- Taanit 11a, 11b
"Better a patient person than a warrior, one with self-control than one who takes a city." -- Mishlei 16:32
"If one oversteps the bounds of moderation, the greatest pleasures cease to please." -- Epictetus
"It is not good to eat too much honey, nor is it honorable to search out matters that are too deep." -- Mishlei 25:27
"But the fruit of the Spirit is love, joy, peace, forbearance, kindness, goodness, faithfulness, gentleness and self-control." -- Galatians 5:22-23