'Let Us' in the Bible

But that it may spread no farther among the people, let us severely charge them to speak no more to any man in this name.

And after some days Paul said to Barnabas, Let us return and visit our brethren in every city, where we have preached the word of the Lord, and see how they are.

So there was a great clamor: and the scribes that were of the party of the pharisees rose up and contended, saying, We find no evil in this man; but if a spirit or an angel hath spoken to him, let us not fight against God.