It is reported that the Messenger of Allah (peace and blessings of Allaah be upon him) said:
“The acts most pleasing to God are those which are done most continuously, even if they amount to little.”
أحب الأعمال إلى الله أدومها وإن قل
(صحيح) … [ق] عن عائشة. صحيح السنن 1238: د)
This hadith was narrated by al-Bukhari (6465) and Muslim (783) from the words of ‘Aisha, may Allah be pleased with her.
The hadith is authentic. See Saheeh al-Jami ‘as-saghir (163), Saheeh Abi Dawud (1238). See Mishkat Al Masabih 1242
It is reported that ‘Aisha, may Allah be pleased with her, said: “(One day) the Prophet (peace and blessings of Allaah be upon him) was asked:’ What kind of deeds does Allaah love most? ‘ – and he said: “Those that are performed with the greatest constancy, even if there are few of them.”