PRAŚNA UPANISHAD · 3.11
य एवं विद्वान् प्राणं वेद न हास्य प्रजा हीयतेऽमृतो
भवति तदेषः श्लोकः ॥ ३.११॥
ya evaṃ vidvān prāṇaṃ veda na hāsya prajā hīyate’mṛto
bhavati tadeṣaḥ ślokaḥ ॥ 3.11॥
“The wise man that knoweth thus of the breath, his progeny wasteth not and he becometh immortal. Whereof this is the Scripture.
Sri Aurobindo · CWSA 18, p. 184