'Be Strong' in the Bible

Be strong! Let us strengthen ourselves on behalf of our people and on behalf of the cities of our God. And may Yahweh do [what is] good in his eyes."

Then you will prosper if you take care to do the statutes and judgments which Yahweh commanded Moses concerning Israel. Be strong and be courageous; fear not and do not be dismayed.

Look now, for Yahweh has chosen you to build a house for the sanctuary; be strong and do it!"

Then David said to Solomon his son, "Be strong and courageous, and do [this]! Do not be afraid and do not be dismayed, for Yahweh God, my God, [is] with you. He will not fail you and will not forsake you until all the work of the service of the house of Yahweh is finished.