Sin…consists in doing, saying, thinking, or imagining, anything that is not in perfect conformity with the mind and law of God. “Sin,” in short, as the Scripture says, is “the transgression of the law” (1 Jn. 3:4). The slightest outward or inward departure from absolute mathematical parallelism with God’s revealed will and character constitutes a sin, and at once makes us guilty in God’s sight… There are sins of omission as well as commission, and that we sin…by “leaving undone the things we ought to do,” as really as by “doing the things we ought not to do.”