It wasn’t just “eating fruit from a tree”.....it was what the act represented: a conscious rebelling against their Creator,,breaking a law, stealing.
Because I’ve discussed this so much on this forum, and I’m tired .... hope you wont mind if I post a link?
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Revolt in Eden. God’s will as expressed to Adam and his wife was primarily positive, setting forth things they were to do. (
Ge 1:26-29;2:15) One prohibitive command was given to Adam, that forbidding eating of (or even touching) the tree of the knowledge of good and bad. (
Ge 2:16, 17; 3:2, 3) God’s test of man’s obedience and devotion is notable for the respect it showed for man’s dignity. By it God attributed nothing bad to Adam; he did not use as a test the prohibition of, for example, bestiality, murder, or some similar vile or base act, thereby implying that God felt Adam might have some despicable inclinations residing within him. Eating was normal, proper, and Adam had been told to “eat to satisfaction” of what God had given him. (
Ge 2:16) But God now tested Adam by restricting his eating of the fruit of this one tree, God thus causing the eating of that fruit to symbolize that the eater comes to a knowledge that enables him to decide for himself what is “good” or what is “bad” for man. Thus, God neither imposed a hardship on the man nor did He attribute to Adam anything beneath his dignity as a human son of God.
The woman was the first human sinner. Her temptation by God’s Adversary, who employed a serpent as a medium of communication (see
PERFECTION [The first sinner and the king of Tyre]), was not through an open appeal to immorality of a sensual nature. Rather, it paraded as an appeal to the desire for supposed intellectual elevation and freedom. After first getting Eve to restate God’s law, which she evidently had received through her husband, the Tempter then made an assault on God’s truthfulness and goodness. He asserted that eating fruit from the prescribed tree would result, not in death, but in enlightenment and godlike ability to determine for oneself whether a thing was good or bad. This statement reveals that the Tempter was by now thoroughly alienated in heart from his Creator, his words constituting open contradiction plus veiled slander of God. He did not accuse God of unknowing error but of deliberate misrepresentation of matters, saying, “For God knows . . .” The gravity of sin, the detestable nature of such disaffection, is seen in the means to which this spirit son stooped to achieve his ends, becoming a deceitful liar and an ambition-driven murderer, since he obviously knew the fatal consequences of what he now suggested to his human listener.—
Ge 3:1-5; Joh 8:44.
As the account reveals, improper desire began to work in the woman. Instead of reacting in utter disgust and righteous indignation on hearing the righteousness of God’s law thus called into question, she now came to look upon the tree as desirable. She coveted what rightly belonged to Jehovah God as her Sovereign—his ability and prerogative to determine what is good and what is bad for his creatures. Hence, she was now starting to conform herself to the ways, standards, and will of the opposer, who contradicted her Creator as well as her God-appointed head, her husband. (
1Co 11:3) Putting trust in the Tempter’s words, she let herself be seduced, ate of the fruit, and thus revealed the sin that had been born in her heart and mind.—
Ge 3:6; 2Co 11:3; compare
Jas 1:14, 15; Mt 5:27, 28.
Adam later partook of the fruit when it was offered to him by his wife. The apostle shows that the man’s sinning differed from that of his wife in that Adam was not deceived by the Tempter’s propaganda, hence he put no stock in the claim that eating the fruit from the tree could be done with impunity. (
1Ti 2:14) Adam’s eating, therefore, must have been due to desire for his wife, and he ‘listened to her voice’ rather than to that of his God. (
Ge 3:6, 17) He thus conformed to her ways and will, and through her, to those of God’s Adversary.
He therefore ‘missed the mark,’ failed to act in God’s image and likeness, did not reflect God’s glory, and, in fact, insulted his heavenly Father.
Effects of Sin. Sin put man
out of harmony with his Creator. It thereby damaged not only his relations with God but also his relations with the rest of God’s creation, including
damage to man’s own self, to his mind, heart, and body. It brought consequences of enormous evil upon the human race.
— Excerpt from
Sin, I — Watchtower ONLINE LIBRARY