not to be quickly shaken out of your wits or disturbed, either by (dia | διά | prep-gen) a prophecy or by (dia | διά | prep-gen) a spoken word or by (di | δι᾿ | prep-gen) a letter purporting to come from (di | δι᾿ | prep-gen) us, to the effect that the day of the Lord is already here.
Reference
2 Thessalonians 2:2
Sequence
471