佛问沙门:「人命在几间?」…
对曰:「呼吸间。」
佛言:「善哉,子知道矣!」
The Buddha asked a Śramaṇa,
‘Human life has what duration in between?’…
In reply said,
‘That of breathing out and in between.’
The Buddha said,
‘Excellent, you know the path!’
— Sūtra With 42 Sections: Section 38
Related Article:
With Every Breath You Take
https://thedailyenlightenment.com/2012/04/with-every-breath-you-take