2 Thessalonians 2:2; 2 Thessalonians 3:8

2 That ye be not soon shaken in mind, or be troubled , neither by spirit, nor by word, nor by letter as from us, as that the day of Christ is at hand .
8 Neither did we eat any man's bread for nought; but wrought with labour and travail night and day, that we might not be chargeable to any of you: