"Those in solitude have raced ahead, who are absorbed in the remembrance of Allah."

Sunan al-Tirmidhī 3596

Abu Huraira (R) reported:

The Messenger of Allah ﷺ said,

“Those in solitude have raced ahead, who are absorbed in the remembrance of Allah. Remembrance has lifted their burdens and they will come on the Day of Resurrection weightless.”

Source: Sunan al-Tirmidhī 3596

Grade: Hasan (fair) according to Al-Tirmidhi