Ante-Nicene Fathers, Vol I:
IGNATIUS: Chapter III.

Chapter III.

Ye have never envied any man. Ye have taught others. Only pray ye for strength to be given to me from within and from without, that I may not only speak, but also may be willing, and that I may not merely be called a Christian, but also may be found to be [one]; for if I am found to be [so], I may then also be called [so]. Then [indeed] shall I be faithful, when I am no longer seen in the world. For there is nothing visible that is good. The work is not [a matter 1162 ] of persuasion; but Christianity is great when the world hateth it.

Footnotes

The meaning is probably similar to that expressed in chap. xiv. of the Epistle in Ephesians.