Matthew Poole and continuators on Genesis 28:20

20 And Jacob vowed a vow , saying, If God will be with me , and will keep me in this way that I go, and will give me bread to eat, and raiment to put on,

(i. e.) Bound himself by a solemn promise or obligation. Compare Gen. 14. 22. Eccles. 5. 4.

He speaks not thus as if he doubted of the truth of Gods Promises, or would like a mercenary Person make a bargain with God, but rather supposeth that God will do this for him, as he had in effect promised ver. 15. and thereupon obligeth himself to a grateful return to God for this Mercy, If God will be with me, &c. as he hath just now assured me he will: or seeing God will be with me, &c. for the Hebrew im doth not alwayes imply a doubt, but rather a supposition, and is oft rendered seeing that, as Exod. 20. 25. Numb. 36. 4. 1 Sam. 15. 17. Amos 7. 2. And so the Greek particle answering to the Hebrew im is used Mat. 6. 22. Luk. 11. 34.

Food convenient, as it is called Prov. 30. 8. which is oft signifyed by the name of Bread, See Gen. 3. 19.

Marginal references: 1 Tim. 6. 8.