'Truly' in the Bible

for you have had five husbands; and he whom you now have is not your husband. This you have said truly."

When therefore the people saw the sign which Jesus did, they said, "This is truly the prophet who comes into the world."

Behold, he speaks openly, and they say nothing to him. Can it be that the rulers indeed know that this is truly the Christ?

Many of the multitude therefore, when they heard these words, said, "This is truly the prophet."

Jesus therefore said to those Jews who had believed him, "If you remain in my word, then you are truly my disciples.