Stoicism is everywhere again, and it is easy to see why. In an anxious, chaotic age, its counsel is bracing and clean: distinguish what is in your control from what is not, invest yourself only in the former, and greet the rest with calm detachment. Much of it is simply true, and Christianity has never quarreled with the parts that are; Scripture, too, praises self-control, endurance, and the refusal to be enslaved by circumstance.
But press Stoicism to its center and a difference opens that matters enormously. The Stoic ideal is a kind of protective distance, a soul so unattached that loss cannot wound it. Its peace is achieved by caring less. And there is a cost to that peace the philosophy rarely names: to be safe from grief, you must also be safe from love, because love is precisely the decision to let another person's fate matter to you more than your own composure.
Stoicism offers peace by caring less. Christ offers peace while caring all the way to a cross.
Christianity walks up to the same chaos and refuses the trade. At its center is not a detached sage but a God who wept at a friend's tomb, who was 'a man of sorrows, and acquainted with grief,' who did not protect himself from the world's pain but entered it to the point of a cross. Its peace is not the numbness of distance but the trust of a child in a Father, a peace that can hold you while you love and lose and grieve, rather than by teaching you not to. Stoicism will make you admirable. Christ offers to make you whole.