'Knowledge of Good and Evil' in the Bible

And out of the ground made the LORD God to grow every tree that is pleasant to the sight, and good for food; the tree of life also in the midst of the garden, and the tree of knowledge of good and evil.

But of the tree of the knowledge of good and evil, thou shalt not eat of it: for in the day that thou eatest thereof thou shalt surely die.

For God sees that on the day when you take of its fruit, your eyes will be open, and you will be as gods, having knowledge of good and evil.

And Jehovah God saith, 'Lo, the man was as one of Us, as to the knowledge of good and evil; and now, lest he send forth his hand, and have taken also of the tree of life, and eaten, and lived to the age,' --