'Truthful' in the Bible

Truthful lips will be established forever,But a lying tongue is only for a moment.

A truthful witness saves lives,But he who utters lies is treacherous.

And they *sent their disciples to Him, along with the Herodians, saying, “Teacher, we know that You are truthful and teach the way of God in truth, and defer to no one; for You are not partial to any.

They *came and *said to Him, “Teacher, we know that You are truthful and defer to no one; for You are not partial to any, but teach the way of God in truth. Is it lawful to pay a poll-tax to Caesar, or not?