Epistles were a primary form of written communication in the ancient world, especially during New Testament times. Since many of the New Testament books were originally written as letters to churches or individuals, they are referred to as the Epistles. An epistle would have been written on a scroll. read more
Ye are our epistle written in our hearts, known and read of all men:
Forasmuch as ye are manifestly declared to be the epistle of Christ ministered by us, written not with ink, but with the Spirit of the living God; not in tables of stone, but in fleshy tables of the heart.