O queen, I shall tell you the everlasting usage of the Kshatriyas, to which recourse may be had in order to prevent the line of Shantanu being extinct.
शान्तनोरपि संतानं यथा स्यादक्षयं भुवि। तत् ते धर्मं प्रवक्ष्यामि क्षात्रं राज्ञि सनातनम्॥