Jami' al-Tirmidhi The Book on Purification Jabir ibn 'Abdullah Mujahid bin Jabir مجاهد بن جبر Sulaiman bin Qrm سليمان بن قرم Allah’s Messenger said: “The key to Paradise is Salat, and the key to Salat is Wudu’.” https://parallelquran.com/hadith/jami-al-tirmidhi-4/