You can explain it in a humble, respectful, and Jain way:

Simple way to say it

“From my understanding, Jainism is the true dharma because it teaches ahimsa, self-control, truth, non-possessiveness, and liberation of the soul. It focuses on purifying one’s own karma through right conduct, not on forcing belief.”

Better way to explain to friends

Instead of saying only “my religion is true,” say:

• Jainism teaches universal compassion

- It avoids harm to even the smallest living beings.

• It is based on self-effort

- The soul becomes pure through its own right actions.

• It promotes inner victory

- Real religion is conquering anger, pride, deceit, and greed.

• It respects all living beings

- This shows deep spiritual truth and ethics.

• It leads to moksha

- The goal is complete freedom from karma and suffering.

A respectful version

“I believe Jainism is the highest path for me because it gives a very pure and practical way to live with non-violence, discipline, and spiritual freedom. I respect all paths, but I follow Jain dharma because it guides me toward liberation.”

Important Jain approach

In Jainism, it is better to speak with:

• vinay — humility
• satyata — truthfulness
• ahimsa — no hurting others’ feelings
• anekantavada — respect for different viewpoints

So instead of proving others wrong, explain why Jain dharma feels deepest and most meaningful to you.

Short answer you can use

“Jainism is true dharma for me because it teaches the purest path of ahimsa, self-discipline, karma purification, and liberation of the soul.”

If you want, I can also give you:

1. a short 1-minute speech, or
2. a strong but polite reply for friends who challenge Jainism.