A repeated phrase or chant, often used in meditation or spiritual practice.

A guiding principle or philosophy.

एक मार्गदर्शक सिद्धांत या दर्शन।

English Usage: His mantra for success was hard work and perseverance.

Hindi Usage: सफलता के लिए उसका मंत्र कठिन श्रम और धैर्य था।