Genesis 2

16 And the Lord God commanded the man, saying, "You may freely (unconditionally) eat [the fruit] from every tree of the garden; 17 but [only] from the tree of the knowledge (recognition) of good and evil you shall not eat, otherwise on the day that you eat from it, you shall most certainly *2:17 Both spiritually and physically, physical death in the sense of becoming mortal; they were created immortal.die [because of your disobedience]."