'Strengthening' in the Bible

Then they observed the Festival of Unleavened Bread for seven days with joy, because the LORD had made them glad, turning the heart of the king of Assyria toward them and strengthening them for their work on the Temple of God, the God of Israel.

Don't be afraid, because I'm with you; don't be anxious, because I am your God. I keep on strengthening you; I'm truly helping you. I'm surely upholding you with my victorious right hand."

I am the LORD, and there is no other besides me: and there are no gods. I'm strengthening you, although you have not acknowledged me,

strengthening the disciples and encouraging them to continue in the faith. "We must endure many hardships," they said, "to get into the kingdom of God."

After spending some time there, he departed and went from place to place through the region of Galatia and Phrygia, strengthening all the disciples.