In addition, the suggestion that the writer of this epistle relied upon knowledge and information provided by others who were actual eye-witnesses of Christ Jesus (2:3) makes Pauline authorship doubtful.
Bukod dito, sinabi ng manunulat na umasa siya sa kaalaman at impormasyon mula sa mga taong nakasaksi mismo sa Panginoong Hesu Kristo (2:3).