Ramayana
पित्र्याणि ब्रह्मरत्नानि यज्ञान्परमदुस्तरान् । चकार रामो धर्मात्मा पितऽन्देवान्विवर्धयन् ॥ 7-99-19 ॥
The righteous-souled Rama performed ancestral rites, gifts of brahmanical treasures, and sacrifices most difficult to accomplish, thereby exalting the ancestors and the gods.
english translation