The Torah describes the birth of the twins. The first comes out red, covered all over like a hairy garment, and they call him Esav. Then his brother comes out, his hand grasping Esav's heel, and he is called Yaakov.

Esav: Rashi explains he is named so because he is already made, assui (עשוי), "finished" like a grown man at birth. He is the symbol of one who lives as though already complete.

Yaakov is born grasping his brother's heel (עקב). His name is bound to that word: he begins from below, in the most material world.

Logically, if Esav is "already made," he should be called Assui (עשוי), with a final Yod (י). Yet that Yod is missing from his name.

Yaakov, by contrast, should simply be Akev (עקב), heel. Yet his true name is יעקב, with a Yod at the beginning.

In the divine Name י־ה־ו־ה, the letter Yod represents Hokhma, the primordial Wisdom with which the world was created. The Zohar reads the word "Bereshit" as be'hokhma — "with wisdom He created."

The verse says: "his hand was holding Esav's heel."

The word ידו (his hand) contains exactly the letters of יוד — Yod. Add this Yod before the word עקב (heel) and you obtain: י + עקב = יעקב.

The struggle between Yaakov and Esav echoes a far older prophecy: the words spoken to the serpent after Adam's sin.

"He shall bruise your head, and you shall bruise his heel." The serpent / Esav aims at the head: thought, faith, awareness. The man / Yaakov must raise the heel: to elevate daily life, matter, the lowest world.

The word "Ani" (אני, "I") can be read in two opposite ways, depending on where the Yod stands within it.

Esav's "I": an ego that pushes the Yod all the way to the end, if any time is left. First me and my comfort, then — perhaps — God.

Yaakov's "I": a self that keeps the Yod at the center. HaShem stands at the heart of his choices, not in the margins of his schedule.

Outwardly it is the same word. Inwardly, they are two entirely different existences.

When Yitzhak wishes to bless Esav, he intends for him the dew of heaven and the fatness of the earth.

When the blessing finally reaches Yaakov, the inner order is reversed: the dew of heaven (the spiritual) comes first, and the fatness of the earth (the material) becomes a means in the service of that light.

Yaakov does not reject matter; he refuses to let it be the head. The Yod — wisdom — must remain at the beginning.

Yaakov begins as "the one of the heel." He passes through deceptions, fears, and exiles. But he never lets go of the Yod. And at the end of the struggle, HaShem gives him a new name: Israel.

Our task is the same: not to deny the material world, but to decide who leads. If the Yod — the wisdom of God — opens your days, guides your choices and lights up your battles, then step by step you pass from Yaakov to Israel.