No, even if everyone else is a liar, God will always do what he says. As the Scriptures say about him, “You will be proved right in what you say, and you will win when people accuse you.” Psalm 51:4
Elisha said, “About this time next spring, you will be holding your own baby boy in your arms.” The woman said, “No, sir! Man of God, don’t lie to me!”
But David thought to himself, “Saul will catch me some day. The best thing I can do is to escape to the land of the Philistines. Then Saul will give up looking for me in Israel. That way I will escape from Saul.”