Longer Catechism (Orthodox) 24.477

Chapter 24 — Part II — The Beatitudes

Section 477. Q. What does the Lord promise to those who are persecuted for righteousness' sake? A. The kingdom of heaven, as if in recompense for what they lose through persecution; in like manner as the same is promised to the poor in spirit, to make up for the feeling of want and privation. On the Ninth Beatitude.