If by leaving a small pleasure one sees a great pleasure, let a wise man leave the small pleasure, and look to the great.
Mattāsukhapariccāgā, passe ce vipulaṁ sukhaṁ; Caje mattāsukhaṁ dhīro, sampassaṁ vipulaṁ sukhaṁ.
Dhammapada 290
The same idea in other traditions
Better is little with the fear of the LORD, Than great treasure and turmoil therewith.
The Master said, "Learning without thought is labour lost; thought without learning is perilous."
'Happy are we, happy live we who call nothing our own; when Mithilâ is on fire, nothing is burned that belongs to me.
O mind, remain detached in the midst of your household. Practicing truth, self-discipline and good deeds, the Gurmukh is enlightened.
…Say: "Are those equal, those who know and those who do not know? It is those who are endued with understanding that receive admonition.
He knows not God nor performs His worship who is not contented with his lot. Contentment maketh a man rich—tell this to the avaricious. …
And he said unto them, Take heed, and beware of covetousness: for a man’s life consisteth not in the abundance of the things which he possesseth.
ALL this, whatsoever moves on earth, is to be hidden in the Lord (the Self). When thou hast surrendered all this, then thou mayest enjoy. Do not covet the wealth of any man!
When the Tao prevails in the world, they send back their swift horses to (draw) the dung-carts. When the Tao is disregarded in the world, the war-horses breed in the border lands. There is no guilt greater than to sanction ambition; no calamity greater than to be discontented with one's lot; no fault greater than the wish to be getting. Therefore the sufficiency of contentment is an enduring and unchanging sufficiency.