They saw him lay hands, they saw him heal, they saw him bring Lazarus back to life. Apostles, chosen to promote the eternal kingdom, given the power of stamp on snakes, scorpions, and no harm came to them, in the Holy Name, he protected them. As for idols, there is only the Father in Heaven whom you should worship.
Solomon wondered about the great fear that was being spread across the earth, and the affect it was having on the Spirit, the life line to Heaven. It was written about, Esdras, said it clearly. Remain in His love, and you will never have to worry, God rescues His people.