2 Thessalonians 2:15 in the King James Version
Therefore, brethren, stand fast, and hold the traditions which ye have been taught, whether by word, or our epistle.
Context
14 to which he called you through our Good News, for the obtaining of the glory of our Lord Jesus Christ.
15 So then, brothers, stand firm and hold the traditions which you were taught by us, whether by word or by letter.
16 Now our Lord Jesus Christ himself, and God our Father, who loved us and gave us eternal comfort and good hope through grace,