The book of Ecclesiastes, or Kohelet as it's known in Hebrew, wrestles with these very feelings. And Kohelet Rabbah, a collection of rabbinic interpretations of Ecclesiastes, dives even deeper.

One passage in Kohelet really hits home: "I said in my heart: Like the fate of the fool, so will befall me; and why did I become wiser? I said in my heart, this too is vanity. For there is no remembrance of the wise man with the fool forever; with the passage of the coming days everything is forgotten. How can the wise man die like the fool?" (Ecclesiastes 2:15–16). It’s a raw and honest questioning of the value of wisdom itself.

The Rabbis of Kohelet Rabbah, in section 15, unpack this sentiment, and they do so in a really interesting way. It's presented from the perspective of Abraham! Imagine that.

"I am called king," Abraham says, and then contrasts himself with the infamous Nimrod, also called king. This comes from a midrash, a rabbinic story, found in Bereshit Rabba 42:5. It tells us that after Abraham's victory over the four kings (Genesis 14), people began referring to him as their king.

Both Abraham and Nimrod are called "king." Both will ultimately die. So, Abraham asks, "Why did I become wiser?" Why did he dedicate his life to proclaiming the oneness of God, even risking everything for it? Why did he try to guide others toward the truth, declaring, "There is no god like Him in the heavens and on the earth?"

It's a powerful moment of doubt, isn't it? The kind we all experience sometimes.

But then, Abraham—or rather, the Rabbis speaking through him—retracts that thought. “For there is no remembrance of the wise man with the fool forever…everything is forgotten.” But is everything truly forgotten?

The text then offers a powerful counter-argument, attributed to Solomon. The similar fate of the wise and the foolish will not be forgotten! Why? Because in times of trouble, the Israelites cry out: “Remember Abraham, Isaac, and Jacob your servants…” (Exodus 32:13). These are the figures we turn to in times of need.

Do the nations of the world, the text asks, say: “Remember the actions of Nimrod?” Of course not!

And that's the crucial point, isn't it? "How can the wise man die like the fool?" the text concludes. It cannot be! Their legacies are fundamentally different.

The wise person leaves behind a legacy of goodness, a source of inspiration and comfort for generations to come. The fool... well, the fool fades into oblivion.

So, what do we take away from this? Maybe it’s this: that true wisdom isn't just about accumulating knowledge, but about living a life that leaves the world a little brighter, a little better. A life that, even after we're gone, will be remembered for the good it brought. And maybe, just maybe, that’s the only kind of immortality that really matters.