Answer

A very well-known and meaningful Jain slogan is:

अहिंसा परमो धर्मः

Ahimsa Paramo Dharma

Meaning: Non-violence is the highest religion.

Other Popular Jain Slogans

• Live and Let Live
• Parasparopagraho Jivanam — Souls render service to one another.
• Jai Jinendra — Salutation to the Jina, the conqueror of inner passions.
• Micchami Dukkadam — May my faults be forgiven.
• Ahimsa, Anekant, Aparigraha — Non-violence, many-sided truth, and non-possessiveness.

Takeaway

The heart of Jain Dharma can be beautifully expressed in one slogan:

Ahimsa Paramo Dharma — Non-violence is the supreme path.