It is narrated from Sayyiduna Salman al-Farisi (may Allah be pleased with him) that the Messenger of Allah (peace and blessings be upon him) said: "Whoever performs ablution (wudu) in his house and performs it well, then comes to the mosque, is a visitor of Allah, and it is a duty upon the one who is visited to honour the visitor."
Hadith Referenceالمعجم الكبير للطبراني / باب السين / 6114
It is narrated from Sayyiduna Salman al-Farisi (may Allah be pleased with him) that a man entered the mosque when the Prophet (peace and blessings be upon him) had already prayed, so he (peace and blessings be upon him) said: "Will no one give charity to this man by praying with him?"
Hadith Referenceالمعجم الكبير للطبراني / باب السين / 6115