O descendant of Bharata, no one should despair saying, “I am working still I do not succeed," for besides exertion there are two other ause for success.
कुर्वतो नार्थसिद्धिर्मे भवतीति ह भारत। निर्वेदो नात्र कर्तव्यो द्वावन्यौ ह्या कारणम्॥