Those men who having acquired knowledge by making obedient services to their preceptors and performing austere penances, are unwilling to accept gifts, succeed in ascending to heaven.
शुश्रूषाभिस्तपोभिश्च विद्यामादाय भारत। ये प्रतिग्रहनि:स्नेहास्ते नराः स्वर्गगामिनः॥