Madhvaon Brahma Sūtra 4.1.2

For the following and the like passages also indicate the necessity for repeated meditation, etc. “He (Bhrigu) performed the meditation ..and again ap- proached his father Vanina” (Tait III. 1-2) and so on. The Brihat Tantra says, “ By those who are desirous of seeing Brahman, hearing (Sravana), thinking and me* ditation are to be invariably and daily practised.”