For ye know what commandments we gave you by the Lord Jesus. Ye know what commandments we gave you - This refers to his instructions while he was among them; and to instructions on particular subjects, which he does not recapitulate, but only hints at.
Related Commentaries of 1 Thessalonians 4:2
1 Thessalonians 4:2
2 For ye know what commandments we gave you by the Lord Jesus.