BSB
not to be easily disconcerted or alarmed by any spirit or message or letter seeming to be from us, alleging that the Day of the Lord has already come.
AKJV
That you 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.
CPDV
that you not be readily disturbed or terrified in your minds, by any spirit, or word, or epistle, supposedly sent from us, claiming that the day of the Lord is close by.
ERV
to the end that ye be not quickly shaken from your mind, nor yet be troubled, either by spirit, or by word, or by epistle as from us, as that the day of the Lord is now present;
NHEB
not to be quickly shaken in your mind, nor yet be troubled, either by spirit, or by word, or by letter as from us, saying that the day of the Lord had come.
SMT
For you not to be quickly shaken in mind, neither be disturbed, neither by spirit, nor by word, nor by epistle as by us, as that the day of Christ has drawn near.