do ye spend] Heb. weigh. Jer. 39. 9, 10.
for that, &c.] He reproveth their folly; who take so much pains, sparing no cost, about unprofitable vanities; when they may have that, that would do them good, freely. John 6:26-27.
which is not bread] That that will not feed, or nourish and strengthen, as bread doth. Psalms 104:15.
eat ye that which is good] Ye shall be, both assuredly, and abundantly, fed. Psalms 36:8. & 37. 3, 4.