New Defender's Study Bible Notes
3:14 continue. Despite all the perilous times and persecutions of the last days, plus all the false teachers and seducing spirits, believers must simply continue believing and obeying the Word of God. The same word (Greek meno) is often translated “abide” and “remain.”
3:14 of whom. Paul can confidently and without boasting cite his own example to young Timothy (see II Timothy 3:10-11), for he had continued faithful, despite the most severe opposition and persecutions one could imagine (II Corinthians 11:23-33) right to the point of martyrdom.