Riyad as-Salihin: The Book of Miscellany – Hadith No. 1790 — Abdullah bin ‘Umar (May Allah be pleased with them) reported: Messenger of… (Hadith No. 1790)

'Abdullah bin 'Umar (May Allah be pleased with them) reported: Messenger of Allah (ﷺ) took hold of my shoulders and said, "Be in the world like a stranger or a wayfarer." Ibn 'Umar (May Allah be pleased with them) used to say: When you survive till the evening do not expect to live until the morning; and when you survive till the morning do not expect to live until the evening. While in good health (do good deeds) before you fall sick; and while you are alive (do good deeds) before death strikes..

Explanation:

Reference: Riyad as-Salihin, The Book of Miscellany, Hadith No. 1790