And it has been narrated from Imam al-Ridha عليه السلام, peace be upon him, that Imam عليه السلام said: “There is no statement except with action, and no action except with intention, and no intention except by conforming to the Sunnah.”
Ali Akbar al-Ghaffari
Tahdhīb al-Aḥkām fī Sharḥ al-Muqniʿah, vol. 4, p. 249