The sixth law prohibits eating a limb or organ torn from a living animal. Though it may seem the most narrowly practical of the seven laws, its implications are profound: cruelty to living creatures is morally intolerable. The capacity to feel pain is morally relevant and must be respected.
This law was given to Noah immediately after the flood when God first permitted humanity to eat meat: every moving thing that lives shall be food for you… but you shall not eat flesh with its life, that is, its blood (Genesis 9:3–4). The permission to eat animals came with the condition that they be treated with basic decency.
The principle underlying this prohibition is tza'ar ba'alei chayyim — the Torah's principle of preventing the suffering of living creatures. Judaism has long recognized that animals, though not possessing the same moral status as humans, experience real pain and deserve consideration.
In a broader sense, this law calls us to be conscious of the impact our choices have on the living world. Mindfulness toward all living things is part of the spiritual awareness that the Seven Laws collectively cultivate.