Samurah bin Jundub (may Allah be pleased with him) said: When the sun was eclipsed, the Prophet (peace and blessings be upon him) delivered a sermon, and he (peace and blessings be upon him) said: "Amma ba'd (after praise and glorification)."
Hadith Referenceالسنن الكبرى للبيهقي / كتاب صلاة الخسوف / 6362