Narrated Anas ibn Malik: When the Prophet of Allah ﷺ was lifted to the heavens (for travelling) in Paradise, or as he said, a river whose banks were of transparent or hollowed pearls was presented to him. The angel who was with him struck it with his hand and took out musk. Muhammad ﷺ then asked the angel who was with him: What is this? He replied: It is al-Kawthar which Allah has given you.