In the Second Coming of Jesus Christ to rule and reign in righteousness, and that His coming again is imminent and that it will be literal, personal, visible, and sudden.

I Thessalonians 4:16-17
For the Lord himself will come down from heaven, with a loud command, with the voice of the archangel and with the trumpet call of God, and the dead in Christ will rise first. After that, we who are still alive and are left will be caught up together with them in the clouds to meet the Lord in the air. And so we will be with the Lord forever.

Revelation 19:7-9
Let us rejoice and be glad and give him glory! For the wedding of the Lamb has come, and his bride has made herself ready. Fine linen, bright and clean, was given her to wear." (Fine linen stands for the righteous acts of the saints.) Then the angel said to me, "Write: 'Blessed are those who are invited to the wedding supper of the Lamb!' " And he added, "These are the true words of God."