It is narrated from Sayyiduna Abu Hurayrah (may Allah be pleased with him): "When a servant goes to the mosque in the morning or in the evening, Allah Almighty prepares hospitality for him in Paradise every time he goes in the morning or in the evening."
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الصلاة / 4970