Trường Bộ Kinh (Digha Nikaya) 1:343
SUJATOTasmiṁyeva kālaṅkate tathāgataṁ upasaṅkamitvā etamatthaṁ pucchissatha, vihesā hesā, ānanda, tathāgatassa.
But if you should come and ask me about it each and every time someone passes away, that would be a bother for me.