What We Feed the Mind
A Reflection on Screens, Children, and the Art of Choosing What Enters.
Maimonides did not think the dietary laws were arbitrary. In the Moreh Nevuchim [Guide for the Perplexed], he argued that what we eat shapes who we become, that the body and the character are not separate projects. Forbidden foods were, in his reading, either unhealthy or addictive to desires that cloud the mind, crowding out the clarity needed for genuine thought and genuine relationship. The goal of kashrut [keeping kosher], for Maimonides, was not restriction for its own sake. It was a training in attention.
Reading that argument now, with a phone in every pocket and a screen in every classroom, something in it feels suddenly urgent again.
The current debate about children and screen time is real, and the concerns are serious. Studies on sleep disruption, on shortened attention spans, on the psychological effects of algorithmic content designed to provoke outrage or insecurity, all of this belongs in the conversation. Yet the instinct to simply ban or limit, while understandable, misses something. A child who grows up behind a wall, without ever learning to read a news article critically, to ask who produced a video and why, to notice when content is designed to humiliate rather than to inform, that child is not prepared. The wall comes down eventually. It always does.
What Parashat Shmini offers is a more interesting framework. The Torah does not say: avoid all complicated food. It draws distinctions. Some things are genuinely off the table. Others are permitted but still require mindfulness, blessings, meal times, the act of pausing before eating. The point is not innocence but awareness, the habit of stopping to ask what you are taking in and why.
A "digital kashrut" for families and communities might work the same way. Some content, violent, degrading, deliberately misleading, is simply trefah [unfit], in the way no amount of hunger would make certain foods acceptable in a kosher home. Other content is perfectly permitted but can still crowd out sleep, conversation, genuine curiosity, or the capacity to sit quietly with a thought. Portion and context matter. Even something nourishing can become harmful if consumed without pause, without relationship, without any other food alongside it.
The Jewish tradition has never confused walls with wisdom. Emet [truth] requires the ability to assess a claim. Shmirat halashon [guarding one's speech] requires understanding what harmful speech actually looks like, including in a comment thread. Kavod habriyot [honour for every person] has to be practised somewhere before it becomes instinct.
Perhaps the question parents, teachers, and communities need to sit with is not only "how much screen time?" but "what are we cultivating in the time we give and the time we limit?" Kashrut was never only a list of prohibitions. At its best, it was a daily practice of paying attention, of insisting that ordinary choices carry weight.
That seems worth thinking about.
Shabbat Shalom
Rabbi Adrian