Abu Hurairah (RA) reported Allah's Messenger (ﷺ) assaying: If anyone contributes a pair of anything for the sake of Allah, he would be invited to enter Paradise (with these words): O servant of Allah. It is good (for you). These who engage in prayer will he invited to enter by the gate of prayer; those who take part in Jihad will be invited to enter by the gate of Jihad; those who give charity will be invited to enter by the gate of charity; and those who observe fast will be invited to enter by the gate ar-Rayyan. Abu Bakr Siddiq (RA) said: Messenger of Allah, is it necessary that a person be invited through one of these gates? Will anyone he invited to enter by all those gates? The Messenger of Allah (ﷺ) (way peace be upon him) said: Yes, and I hope you will be one of them.
Abu Hurairah (RA) reported Allah's Messenger (ﷺ) as saying: He who spent pairs for the sake of Allah, the guardians of Paradise would call him, (in fact) every guardian of the door (of Paradise would welcome him saying): O, so and so, come on. Upon this Abu Bakr (RA) said: Messenger of Allah, (it means) there would be no distress on this person. The Messenger of Allah (ﷺ) said. I hope you would be among them.
Abu Hurairah (RA) reported that the Messenger of Allah (ﷺ) said: Who has observed fast among you today? Abu Bakr (RA) replied: It is I. He (the Holy Prophet (ﷺ) again) said: Who among you followed the bier today? Abu Bakr (RA) replied: It is I. He (the Holy Prophet (ﷺ) again) said: Who among you led a poor man today? Abu Bakr (RA) (Allah he pleased with him) replied: It is I. He (again) said: Who among you visited an invalid today? Abu Bakr (RA) said: It is I. Upon this the Messenger of Allah (ﷺ) said: Anyone in whom (these good deeds) are combined will certainly, enter paradise.