KāSū, 1, 2, 1.1 śatāyur vai puruṣo vibhajya kālam anyonyānubaddhaṃ parasparasyānupaghātakaṃ trivargaṃ seveta //

KāSū, 1, 2, 5.1 anityatvād āyuṣo yathopapādaṃ vā seveta //

KāSū, 6, 2, 4.18 sāmarthyam āyuṣastadavāptau /

KāSū, 6, 2, 4.28 āyuṣo nādhikyam icchet //