To get peaceful mind you need to repeat this phrase and live it too. The meaning of this text is "there is no formula for peace and happiness except that you do something for others, if you help in someone's problem you will automatically feel happy and peaceful.
English
"parhit saris dharam nahi bhai
par peera sam nahi addmayi"
Hindi
"परहित सरिस धरम नहीं भाई
पर पीड़ा सम नहीं अधमाई "
