The Bible consistently describes the second coming in concrete, public terms rather than a quiet or hidden event. Jesus will descend from heaven with a shout, the voice of an archangel, and the trumpet of God, and every eye will see Him, including those who rejected Him. This is the same Jesus who ascended visibly, and He will return in the same visible way, gathering His people and putting a final end to sin's reign on earth. Because it is so unmistakable, believers do not need to fear being fooled by counterfeit, secret, or localized claims of His arrival.
The great controversy reveals God's character as Christ ministers as our High Priest in the heavenly sanctuary. The dead await the resurrection, Christ's return will be visible and personal, and prophecy calls believers to faithful mission rather than date-setting or fear.