'Be Strong' in the Bible

Take heart and be strong; for you will give to this people for their heritage the land which I gave by an oath to their fathers.

Have I not given you your orders? Take heart and be strong; have no fear and do not be troubled; for the Lord your God is with you wherever you go,

Whoever goes against your orders, and does not give attention to all your words, will be put to death: only take heart and be strong.

And Joshua said to them, Have no fear and do not be troubled; be strong and take heart: for so will the Lord do to all against whom you make war.