Ramayana
अगस्त्यस्त्वब्रवीत्तत्र रामं सुप्रीतमानसम् । तांस्तान्धर्मविधींस्तत्र भ्रातरस्ते समाविशन् ॥ 7-10-2 ॥
Thereupon Agastya spoke to Rama, whose mind was greatly pleased, telling of the various forms of religious observance into which his brothers there entered.
english translation