It is narrated from Sayyiduna Abdullah bin Mas'ud (may Allah be pleased with him) that the Messenger of Allah (peace and blessings be upon him) was in a garden, and he (peace and blessings be upon him) said: "A man from the people of Paradise is about to enter." Then Sayyiduna Abu Bakr (may Allah be pleased with him) entered. Then he (peace and blessings be upon him) said: "A man from the people of Paradise is about to enter." Then Sayyiduna Umar (may Allah be pleased with him) entered. Then he (peace and blessings be upon him) said: "A man from the people of Paradise is about to enter." Then Sayyiduna Ali (may Allah be pleased with him) entered.
Hadith Referenceالمعجم الكبير للطبراني / باب العين / 10306