Jainism is an ancient Indian religion, along with Buddhism and Hinduism.

Here's what I find most fascinating:

The practice of non-violence towards all living beings has led to Jain culture being vegetarian. Devout Jains practice lacto-vegetarianism, meaning that they eat no eggs, but accept dairy products if there is no violence against animals during their production. Veganism is encouraged if there are concerns about animal welfare...There have been calls within the Jain community to stop the consumption of dairy as well because common practices in most dairies of all sizes are extremely cruel.

The Jain cuisine... also excludes root and underground vegetables such as potato, garlic, onion etc., to prevent injuring small insects and microorganisms; and also to prevent the entire plant getting uprooted and killed.

All this stems from their belief in ahimsa (i.e. non-violence).

Jain texts such as Acaranga Sūtra and Tattvarthasūtra state that one must renounce all killing of living beings, whether tiny or large, movable or immovable Its theology teaches that one must neither kill another living being, nor cause another to kill, nor consent to any killing directly or indirectly.

There's a lot more to Jainism, obviously. It's an ancient religion with millions of believers. It has its positives and negatives. But I think there's a lot we can learn from them, too.