'Strength' in the Bible

Then I looked up, and saw four horns (powers)!

So he answered me, “This is the word of the Lord to Zerubbabel: ‘Not by strength or by might, but by My Spirit,’ says the Lord of Hosts.

"The Lord who rules over all also says, 'Gather strength, you who are listening to these words today from the mouths of the prophets who were there at the founding of the house of the Lord who rules over all, so that the temple might be built.

And their strength will be in the Lord; and their pride will be in his name, says the Lord.

And the governors of Judah shall say in their heart, The inhabitants of Jerusalem shall be my strength in the LORD of hosts their God.