'Be Strong' in the Bible

Be strong and be active; for thou shalt cause Israel to inherit the land which I sware to their fathers to give to them.

Only be strong and be greatly active, to watch to do according to all the law which Moses my servant commanded thee: thou shalt not turn aside from it to the right and to the left, so that thou shalt be wise in all things where thou shalt go.

Did I not command thee? Be strong and be active; thou shalt not fear and thou shalt not bend: for Jehovah thy God is with thee in all where thou shalt go.

Every man who shall resist thy mouth, and shall not hear thy words according to all which thou shalt command him, he shall die: only be strong and be active.

And Joshua will say to them, Ye shall not fear and ye shall not be dismayed; be strong and be active, for thus will Jehovah do to all your enemies whom ye war against them.

And be strong greatly to watch and to do all written in the book of the law of Moses, so as not to turn away from it to the right or to the left;