'Strong' in the Bible

I am going the way of all the earth: so be strong and be a man;

And Solomon took his place on the seat of David his father, and his kingdom was made safe and strong.

And he said, Praise be to the Lord, the God of Israel, who himself gave his word to David my father, and with his strong hand has made his word come true, saying,

(For they will have news of your great name and your strong hand and your out-stretched arm;) when he comes to make his prayer, turning to this house:

Then Jeroboam made the town of Shechem in the hill-country of Ephraim a strong place, and was living there; and from there he went out and did the same to Penuel.

And the hand of the Lord was on Elijah; and he made himself strong, and went running before Ahab till they came to Jezreel.

Then the prophet came up to the king of Israel, and said to him, Now make yourself strong, and take care what you do, or a year from now the king of Aram will come up against you again.