500 Little Known Facts

In (LDS) Mormon History

It took much longer than most Latter-day Saints like to believe. Although the Word of Wisdom was received by the Prophet Joseph as early as 1833, the Lord apparently understood the difficulty of giving up such habits as tobacco and strong drinks and thus did not make it a commandment. Early Church leaders apparently believed the habits were more deeply entrenched than even the Lord suspected and made only periodic attempts to enforce the Word of Wisdom. Actually, it was not until the administration of a twentieth century Prophet, Heber J. Grant (1918-1945) that the revelation received by Joseph Smith became a rquirement for advancement in the church and entrance to the temple.

Kimball, Stanley, p. 204 fn.