The Torah tells us God instructed Abraham: "Take your son, your favored one, Isaac, whom you love, and go to the land of Moriah, and offer him there as a burnt offering on one of the heights that I will point out to you" (Genesis 22:2).
Okay, so God would point it out, right? But how?
The Torah simply states: "On the third day Abraham looked up and saw the place from afar" (Genesis 22:4). But seeing what exactly? How did he recognize it? That's the mystery.
The tradition grapples with this. It wasn't like there was a giant neon sign saying "Sacrifice Here!".
Some say Abraham saw a cloud enveloping the mountain. That this celestial marker was enough for him to know. He then asked Isaac, "Do you see anything?", and Isaac, blessed with similar spiritual clarity, pointed to the very same cloud hovering above Mount Moriah. But, interestingly, the two young men traveling with them? They saw absolutely nothing. Selective vision, perhaps? A sign that only Abraham and Isaac were meant to partake in this sacred drama?
Another, even more vivid explanation unfolds in other sources. Imagine Abraham, filled with both dread and unwavering faith, turning to God himself. He asks, "Master of the Universe, upon which mountain?" And God, in His infinite wisdom, responds with a promise: "You will see My glory waiting for you. That is how you will recognize the altar."
So what did that glory look like? According to this tradition, Abraham saw the very presence of God, the Shekhinah (שכינה) — that divine, indwelling presence — standing atop the mountain. It wasn't just any light, but a pillar of fire, a powerful image stretching from earth to heaven!
Abraham, again seeking confirmation, asks Isaac if he sees anything. And Isaac replies, "Yes, I see a pillar of fire reaching into heaven." This confirmation, this shared vision, sealed it. As one tradition puts it, when Isaac said this, Abraham knew that his son was acceptable as a burnt-offering.
Think about that for a moment. Not just that he found the place, but also that Isaac was worthy.
What does this tell us? Perhaps that recognizing the divine isn't always a matter of physical sight, but of spiritual perception. That sometimes, the greatest tests require not just faith, but a shared vision, a confirmation that we are indeed on the right path, even when that path leads us to the most difficult of places.