but He has said to me, “My grace is sufficient for you [My lovingkindness and My mercy are more than enough—always available—regardless of the situation]; for [My] power is being perfected [and is completed and shows itself most effectively] in [your] weakness.” Therefore, I will all the more gladly boast in my weaknesses, so that the power of Christ [may completely enfold me and] may dwell in me.

Forty days

Moses entered the midst of the cloud and went up the mountain; and he was on the mountain forty days and forty nights.

Moses was there with the Lord forty days and forty nights; he ate no bread and drank no water. And he wrote on the tablets the words of the covenant, the Ten Commandments.

When I went up the mountain to receive the tablets of stone, the tablets of the covenant which the Lord made with you, I remained on the mountain forty days and forty nights; I did not eat food or drink water.

After He had gone without food for forty days and forty nights, He became hungry.

He was in the wilderness forty days being tempted [to do evil] by Satan; and He was with the wild animals, and the angels ministered continually to Him.

for forty days, being tempted by the devil. And He ate nothing during those days, and when they ended, He was hungry.

Horeb

Now Moses was keeping the flock of Jethro (Reuel) his father-in-law, the priest of Midian; and he led his flock to the west side of the wilderness and came to Horeb (Sinai), the mountain of God.

Mount Sinai was wrapped in smoke because the Lord descended upon it in fire; its smoke ascended like the smoke of a furnace, and the whole mountain quaked violently.

“Remember [with thoughtful concern] the Law of Moses My servant, the statutes and the ordinances which I commanded him on [Mount] Horeb [to give] to all Israel.

General references

Then Jethro, his father-in-law, came with Moses’ sons and his wife to [join] Moses in the wilderness where he was camped, at the mountain of God [that is, Mt. Sinai in Horeb].