In view, however, of the gradual decrease of the span of human existence, the divine Shiva abridged that highly important science compiled by Brahman.
प्रजानामायुषो ह्रासं विज्ञाय भगवाच्छिवः। संचिक्षेप ततः शास्त्रं महास्त्रं ब्रह्मणा कृतम्॥