Deuteronomy 28:4

Blessed [shall be] the fruit of thy body, and the fruit of thy ground, and the fruit of thy cattle, the increase of thy kine, and the flocks of thy sheep.

Ver. 4. The fruit of thy body.] Which is thy chief possession; but without my blessing will be bitter sweets, a "Blessed is the man that hath his quiver full of such as are the arrows of a strong man," Psa 128:3-4 the knottiness of whose nature is refined and reformed, and made smooth by grace. Arrows be not arrows by growth, but by art: what can better preserve Jacob from confusion, or his face from waxing pale, than when he shall see his children, the work of God's hands, framed and fitted by the word in regeneration, and the duties of new obedience? This will make him to sanctify God, even to sanctify the Holy One, and with singular encouragement from the God of Israel. Isa 29:22-23

a Dulcis acerbitas, amarissima voluptas. - Tertul.