Ramayana
पुरा कृतयुगे राम प्रजापतिसुतः प्रभुः । पुलस्त्यो नाम ब्रह्मर्षिः साक्षादिव पितामहः ॥ 7-2-4 ॥
In olden times, in the Krita age, O Rama, there was a lord, the son of Prajapati, a brahmin-sage named Pulastya, who was like the Grandsire (Brahma) himself made manifest.
english translation