Sirach 40:18

18 To labour, and to be content with that a man hath, is a sweet life: but he that findeth a treasure is above them both.

Sirach 40:18 In-Context

16 The weed growing upon every water and bank of a river shall be pulled up before all grass.
17 Bountifulness is as a most fruitful garden, and mercifulness endureth for ever.
18 To labour, and to be content with that a man hath, is a sweet life: but he that findeth a treasure is above them both.
19 Children and the building of a city continue a man's name: but a blameless wife is counted above them both.
20 Wine and musick rejoice the heart: but the love of wisdom is above them both.

The Brenton translation of the Septuagint is in the public domain.