16 surviving letters between Isidore of Pelusium and Zosimus, spanning c. 392–430.
It is necessary, my dear chap, to persuade your listeners by facts that the kingdom of heaven exists, and then to...
You seemed to have a good pretext for your last offence to forgive yourself as avenging your brother.
Wretched Zosimus, it is the last hour.
On the coming of God in the flesh.
Stain, pollution, defilement — what should I call it that would be enough?
I will not render judgment based on hearsay alone, and I will not take sides before hearing both parties.
We all greatly marvel at the mystery of the Incarnation — and rightly so.
If you wish to judge others, first judge yourself.
That one ought not to do anything licentious or boyish, but to keep a temperate and disciplined manner of life in...
When I heard that you had written to Zosimus the Presbyter in those terms, I was troubled — not because your...
Do not mistake the delay of punishment for its cancellation, best of men.
You may wonder why I continue to write rather than coming to speak with you face to face.
What can be seen from the outside, Zosimus, is the least important part of the life.
If you are unwilling to heal anything, and actually deepen the wounds of the poor — what more terrible battle are...
Do not entrust the verdict of victory to the weak power of human beings.
For this reason, O wisest of men, why do you not despise the worthless and embrace the worthy with all your heart —...