We are fools for Christ's sake, but ye are wise in Christ. - 1 Cor. 4:10
Strictly speaking, this passage speaks of the apostles, and specifically those who preach the true Gospel (Paul, Timothy, etc.). This verse also speaks to us today, however (as the Fathers teach.) How then are we, today, fools for Christ's sake?
When we are humble (Matt. 5:3), for the world uses the humble as stepping stones to better things.
When we mourn our spiritual state (Matt. 5:4), for the world thinks us zealots for worrying about such things.
When we are meek (Matt. 5:5), for the world takes advantage of the meek.
When we seek righteousness (Matt. 5:6), for the world shuns righteousness but seeks joy.
When we are merciful (Matt. 5:7), for those in the world look out for their own interests. But some will say: "many are merciful in the world!" But this is misunderstanding mercy, for mercy is not just giving a dollar to a homeless man or some such act of kindness. Mercy is giving up that which you do not have to give up: but you give it up anyway for the benefit of someone else. It is therefore merciful to forgive someone when they offend you and won't apologize. It is merciful to give a man a cloak after he steals your shirt. It is merciful to give a man a cup of water after he has mocked you.
These things are the mercy which the Lord speaks of. They are not merely wordly kindness, but they are efforts of faith done through God's grace. The "many" who would give a dollar to a homeless man would almost all call someone a fool for giving that same man the clothes off their back. The "many" who would "spare a dollar" (out of their $50,000 a year salary) would almost all call someone a fool for being so merciful as to helping someone who had mocked them. The many are prideful, and so even their "mercy" is tainted with sin. A truly merciful man is as rare as a truly meek man, a truly humble man, and a truly righteous man.
But when else are we fools for Christ's sake?
When we try to be pure in heart (Matt. 5:8 ), for the world seeks to "just get by," and do not seek purity of heart.
When we seek peace with our brothers, even at our own personal expense (Matt. 5:9), for the world says that we must "fight for our rights".
When we allow ourselves to be persecuted for righteousness' sake, (Matt. 5:10), for the world sees no need for such things: "surely a loving God," they reason, "would not condemn us for not being able to hold up under the pressures of life!" And who are those persecuted for righteousness' sake today? Those who seek all the things mentioned before this. And who are the persecutors? It is as it has always been: the persecutors are everyone: layman, priests, monks, bishops, deacons, non-believers, members of other religions, atheists; in a word, everyone.
Jesus says: "Rejoice, and be exceeding glad: for great is your reward in heaven: for so persecuted they the prophets which were before you." (Matt. 5:12).
And who persecuted the prophets except (for the most part) those who claimed to be in God's Israel? It was the (supposedly) "holy people of God" who persecuted the prophets. We should not be so foolish as to think that times have changed. The greatest persecutor of the righteous today are those who call themselves Orthodox, but then by their words and lifestyle make a mockery of Orthodoxy. Then, being totally foreign to the whole spirit or savor of Orthodoxy, and judging their fellow Orthodox not by the criterion of truth, or the beatitudes, or Jesus Christ our God, but by their own worldly pleasures and opinions, they condemn and persecute those seeking righteousness.
They do not kill them with literal stones as they did in the past, but now they throw stones just as dangerous, for their stones may make the weaker of those seeking righteousness to turn back, thinking that they will be unable to make the entire journey and will die along the way. To these modern-day persecutors, Jesus says: "But whoso shall offend one of these little ones which believe in me, it were better for him that a millstone were hanged about his neck, and thathe were drowned in the sea... Take heed that ye despise not one of these little ones; for I say unto you, That in heaven their angels do always behold the face of my Father which is in heaven." (Matt. 18:6, 10)