Here are some simple, Jain-inspired birthday wishes you can use:

• May this new year of life be filled with ahimsa, peace, and joy. Happy Birthday!
• Wishing you a year of pure kindness, strong vows, and steady progress on the path of Jain dharma. Happy Birthday!
• May your day be calm, your heart compassionate, and your intentions steady in ahimsa. Have a blessed birthday.
• On your birthday, may you find inner peace, self-discipline, and wisdom (samyak darshan). Best wishes!
• Wishing you a joyful birthday and many more years of living simply, honestly, and kindly.
• May this year bring you strength in restraint, joy in service, and clarity on the path of truth. Happy Birthday!
• Happy Birthday! May your life be guided by non-violence, truth, and the joy of helping others.
• Sending you heartfelt wishes for a peaceful birthday and a year filled with positive choices and good karma.

If you’d like, tell me the recipient’s name or mood (formal, playful, devotional), and I can tailor the wishes further.