“Be not ashamed of the Cross of Christ; but though another hide it, do thou openly seal it upon thy forehead”

Church Father, St. Cyril, Archbishop of Jerusalem (c. 315–87) in  his “Catechetical Lectures.”

13. All kings when they die have their power extinguished with their life: but Christ crucified is worshipped by the whole world. We proclaim The Crucified, and the devils tremble now. Many have been crucified at various times; but of what other who was crucified did the invocation ever drive the devils away?

14. Let us, therefore, not be ashamed of the Cross of Christ; but though another hide it, do thou openly seal it upon thy forehead, that the devils may behold the royal sign and flee trembling far away.

Make then this sign at eating and drinking, at sitting, at lying down, at rising up, at speaking, at walking: in a word, at every act. For He who was here crucified is in heaven above.

If after being crucified and buried He had remained in the tomb, we should have had cause to be ashamed; but, in fact, He who was crucified on Golgotha here, has ascended into heaven from the Mount of Olives on the East.

For after having gone down hence into Hades, and come up again to us, He ascended again from us into heaven, His Father addressing Him, and saying, Sit Thou on My right hand, until I make Thine enemies Thy footstool.

15. This Jesus Christ who is gone up shall come again!