Jami` at-Tirmidhi Book 43, Hadith 133
"The most loved deed to the Messenger
of Allah (ﷺ) was what he could do regularly."
(Another chain) with similar meaning.
"I asked 'Aishah and Umm Salamah about which deed did the Messenger of Allah (ﷺ) like to do most. They said: 'Whatever he could do regularly, even if it was little.'"
that the Messenger of Allah (ﷺ) said: "Cover the vessels, tie the water-skins, close the doors, extinguish the torches, for indeed the mischief-makers (vermin) may drag away the wick, causing a fire for the inhabitants of the house."