NET

13 For we do not write you anything other than what you can read and also understand. But I hope that you will understand completely

Darby

13 For we do not write other things to you but what ye well know^D8380 and recognise^D8381; and I hope that ye will recognise to the end,

Darby Bible Notes

know - Or 'own' (personally). Some would render this 'but what ye read.' The word has this sense also; but it refers here, I think, to what they knew and had learnt of him by his being amongst them. recognise - Epiginosko, 'know well,' as Matt. 7.16 and 11.27.

KJV

13 For we write none other things unto you, than what ye read or acknowledge; and I trust ye shall acknowledge even to the end;