Under Your Skin: Rabbi Simon Jacobson’s Guide to Spiritual Layers, Hidden Connections, and the Mystery of the Interstitium
Sometimes the greatest mysteries aren’t lightyears away, but hidden just beneath your skin. Recent scientific discovery of the interstitium—a newly recognized layer of the human body—brought home this reality, revealing that within us are entire worlds yet to be understood. For Rabbi Simon Jacobson, this isn’t just an anatomical curiosity; it’s a portal into the hidden dimensions of the soul and the endless connections that shape your life.
The Hidden Layers Within
Everyone has experienced a moment where they sense there’s more beneath the surface—whether in a relationship, a quiet walk, or a still moment at dawn. The Kabbalistic tradition, which sees every layer of the physical as a mirror of the spiritual, teaches that just as our bodies have hidden layers, so too does our inner self. Like the interstitium cushions organs and connects systems, our soul has channels—sometimes overlooked—that silently influence our well-being and our connection to others.
Seeing Beneath the Surface: An Everyday Parable
Think of a time you misunderstood a friend’s words, only to learn later about something deeper going on in their life. In much the same way, Jewish wisdom urges us to look past surface impressions—both with others and with ourselves. Just as doctors now realize how the interstitium silently supports life, recognizing the hidden currents within your own psyche can transform how you respond to stress, connect with loved ones, and even approach your sense of purpose.
Balancing Science and Spirit
Rabbi Jacobson often points out that science and spirituality are not opposing forces. Science uncovers what is there; spirituality offers meaning for why it matters. The discovery of a hidden layer of the body serves as a powerful metaphor for looking deeper—embracing both modern knowledge and timeless insight. By recognizing the interstitium within, we learn that much of what shapes our reality is not immediately visible, and yet its influence is profound.
How to Access Your Inner Layers: Practical Steps
- Practice mindful attention: Take five minutes daily for “inner listening.” Notice the subtle thoughts or emotions that arise beneath your main focus. Journaling even a stray feeling often reveals underlying concerns or hopes you may be ignoring.
- Explore hidden motivations: Next time you react strongly to a situation, pause and ask: What deeper need or past experience is driving this reaction? Over time, this self-questioning can uncover patterns and lead to healthier responses.
- Build hidden channels: Invest in relationships quietly—send a supportive text, listen carefully to someone’s struggle, or simply offer presence. It’s often these unseen connections that provide the greatest strength during tough times.
- Embrace the “invisible” Divine: Whether through prayer, meditation, or acts of kindness, seek the presence of something greater behind the outer layers of life. Jewish wisdom teaches that the Divine often dwells in silence and subtlety—much like the interstitium itself.
Connecting Inner and Outer Worlds
The interstitium isn’t just science’s latest novelty—it’s an invitation to see your life as a tapestry of hidden threads, with every experience and relationship intertwined. The more you attune to what is happening ‘under your skin’—in your thoughts, in the quiet needs of others, in the wonder between breaths—the richer and more meaningful your world becomes.
Your next step could be as simple as taking a quiet walk and asking yourself: what subtle feelings or insights are stirring beneath the surface? With each day, as you learn to notice and nurture your hidden layers, you’ll discover both resilience and a deeper sense of purpose.
For a fascinating blend of spiritual wisdom and scientific curiosity, watch Rabbi Jacobson’s full class, Under Your Skin: The Interstitium.


