2-WATCH lest you fail to recognize the necessity for gaining the higher significance and meaning of terms used in Christian Science, rather than accepting mortal mind's definitions. It requires watchfulness in order to do this, since the human meaning attached to them has become fixed. A few examples of such words are: prayer, love. work, mind, obedience, heaven, hell, service, duty, belief, worship, loyalty, sin, health, sickness, harmony, immorality. On page 249 of Miscellaneous Writings we read of students expelled from Mrs. Eddy's College for immorality. What do you calculate their sin was in the sight of God?