2 Thessalonians 3:13

‘But you, brothers and sisters, do not be weary in well doing.’

Those who did work would become weary, (and they worked longer hours, under more trying conditions, than most of us). Some may even have looked enviously at their idle brothers and sisters. So Paul exhorts them that although they grow weary, they should not grow weary in doing what is right. In Galatians 6:9 where there is a similar phrase he adds, ‘for in due season you will reap if you do not give up (faint)’.