Imam Zayn al-Abidin (AS) said, 'The best of deeds in the sight of Allah are those that are performed habitually, even if they be few in number.
الإمامُ زينُ العابدينَ (عَلَيهِ الّسَلامُ): إنَّ أفضَلَ الأعمالِ عندَ اللّهِ ما عُمِلَ بِالسُّنَّةِ وإن قَلَّ.
Similar narrations
Mishkāt al-Anwār #792Imam Sajjad (a.s) said: “The best practice near God is the practice of traditions, even if a little.”
Al-Kāfi #208“The best deed in the sight of Allah is the one that is performed according to the Sunnah, the noble tradition of the holy Prophet (s.a.)...