King James Version (KJV) - 2 Thessalonians 2:15 >

Therefore, brethren, stand fast, and hold the traditions which ye have been taught, whether by word, or our epistle.

Berean Study Bible (BSB) - 2 Thessalonians 2:15 >

Therefore, brothers, stand firm and cling to the traditions we taught you, whether by speech or by letter.