'Truly' in the Bible

But wisdom is justified by all who are truly wise."

I tell you truly that there are some of those who stand here who will certainly not taste death till they have seen the Kingdom of God."

I tell you truly that He will put him in authority over all His possessions.

So they put a question to Him. "Rabbi," they said, "we know that you say and teach what is right and that you make no distinctions between one man and another, but teach God's way truly.