One great irony in the Genesis account of creation is this: Adam and Eve ate from the forbidden tree of the knowledge of good and evil which brought death while neglecting the tree of life, from which they were permitted to eat.
As I prepared to write Paradise Unfallen, I found myself pondering a question: What exactly would the fruit and leaves of the tree of life have done?
A friend suggested that if Adam and Eve had eaten from the tree of life, they would have instantly become immortal. After one bite, immortality would have been permanently secured. Genesis 3:22 seems, at first glance, to support that reading:
“Then the LORD God said, ‘Behold, the man has become like one of Us, knowing good and evil; and now, he might reach out with his hand, and take fruit also from the tree of life, and eat, and live forever.’” (NASB)
It is understandable why some conclude that physical immortality would have been conferred immediately and irrevocably. But is that the only way to understand the tree of life?
Other passages complicate that picture. The prophet Ezekiel describes a vision of trees whose fruit never fails and whose leaves bring healing:
“Their fruit will be for food and their leaves for healing.” (Ezekiel 47:12 NASB)
Centuries later, the Apostle John describes the tree of life in the New Jerusalem:
“On either side of the river was the tree of life, bearing twelve kinds of fruit, yielding its fruit every month; and the leaves of the tree were for the healing of the nations.” (Revelation 22:2 NASB)
In both visions, the tree appears to function not as a one-time immortality switch but as an ongoing source of life and healing. Its fruit is continually yielded. Its leaves continually nourish. Life appears sustained rather than permanently activated.
This raises an intriguing possibility: perhaps the tree of life in Eden was intended as a continual means of sustaining vitality. If so, death would not necessarily have been impossible before the Fall, but life would have been preserved through ongoing access to God’s provision.
That idea leads directly into Paul’s teaching in Romans:
“Through one man sin entered into the world, and death through sin, and so death spread to all mankind.” (Romans 5:12 NASB)
Many Christians understand this to mean that physical death was entirely absent before Adam sinned. According to that view, Adam and Eve were created inherently immortal, and mortality entered the human race only after disobedience.
But that raises two questions.
First, if Adam and Eve were inherently immortal from the moment of creation, what purpose did the tree of life serve? Why include a tree whose fruit grants life if humanity already possessed life unconditionally?
Second, Paul writes elsewhere:
“Flesh and blood cannot inherit the kingdom of God… this mortal must put on immortality.” (1 Corinthians 15:50–53 NASB)
Adam and Eve were clearly “flesh and blood.” If flesh and blood cannot inherit eternity without transformation, it seems unlikely that they were created in a fully glorified, death-proof state. Scripture consistently teaches that an eternal human body requires divine transformation.
Perhaps, then, Adam was not created inherently immortal but conditionally sustained. Life was not intrinsic independence but ongoing dependence. The tree of life may have functioned as a visible sign of that dependence—a tangible reminder that continued vitality flowed from God.
When Adam sinned, death entered the world through sin exactly as Paul says. But death may have entered first as spiritual alienation from God, and then as the inevitable physical result of separation from the source of life. Genesis 3:22 suggests that once humanity was cut off from the tree, living forever in a fallen condition would no longer be possible. Mortality became inevitable not because human biology instantly changed, but because access to life’s sustaining provision was removed.
In that light, Romans 5 and Genesis 3 harmonize rather than compete. Sin brings death. Separation from God results in decay. The expulsion from Eden seals the outcome.
Interestingly, the story of Scripture does not end with humanity barred from the tree. In Revelation, the tree of life reappears in the restored creation, flowing from the throne of God and of the Lamb. What was lost in Eden is restored through redemption. Life is once again sustained in the presence of God.
Whatever position one takes on the mechanics of pre-Fall mortality, Scripture is clear about something far more important: from the beginning, God intended life, fellowship, and joy for His human creatures. Humanity’s tragedy was not merely breaking a rule but severing communion with the One who is the source of life.
The irony remains. The tree that sustained life stood freely available. The forbidden tree was chosen instead. Today, eternal life is again offered freely—not through fruit in a garden, but through Christ. God has gone to astonishing lengths to restore what was lost. “While we were enemies,” Paul writes, Christ died for us.
The tree of life ultimately points beyond Eden. It points to dependence, to communion, and to the truth that life is not something we possess in ourselves but something we receive. From Eden to Revelation, the tree of life reminds us that true life has always flowed from communion with God.
What do you think? What was the purpose of the tree of life? Were Adam and Eve created inherently immortal? How are physical and spiritual death intertwined? I would love to hear your reasoning.
Photo by Philippe Gauthier on Unsplash