![Justin Martyr](http://www.ststeve.com/wp-content/uploads/2019/06/Justin_Martyr-248x300.jpg)
Justin Martyr (Justin the Philosopher), illustration from Les vrais pourtraits et vies des hommes illustres grecz, latins et payens, by André Thevet (1502-1590). From Wikimedia.
¶ Or this:
O God, who through the foolishness of the Cross didst marvellously teach blessed Justin Martyr the excellent knowledge of Jesus Christ: Grant, at his intercession, that repelling the errors which beset us, we may attain unto steadfastness in the faith; through the same Jesus Christ our Lord. Amen.