The study of Brahma, great fame ascetic penances and death in battle are acts that lead men to heaven. The attainment of heaven by the three other acts may be uncertain, but death in battle has heaven for its certain result.
स्वर्गयोनिर्महद् ब्रह्म स्वर्गयोनिर्महद् यशः। स्वर्गयोनिस्तपो युद्धे मृत्युः सोऽव्यभिचारवान्॥