Verses with the word sustain in the Old Testament (4 verses):

1 Kings 17:9
Arise, get thee to Zarephath, which belongeth to Zidon, and dwell there: behold, I have commanded a widow woman there to sustain thee.

Nehemiah 9:21
Yea, forty years didst thou sustain them in the wilderness, so that they lacked nothing; their clothes waxed not old, and their feet swelled not.

Psalms 55:22
Cast thy burden upon the LORD, and he shall sustain thee: he shall never suffer the righteous to be moved.

Proverbs 18:14
The spirit of a man will sustain his infirmity; but a wounded spirit who can bear?