Sāṃkhya Kārikā verse 73

tasmāt samāsa-dṛṣṭaṃ śāstram idaṃ nā-arthataḥ ca parihīnam | tantrasya ca bṛhanmūrteḥ darpaṇa-saṅkrāntam-iva biṃbam ||

tasmāt - from that, on that account, thereforedṛṣṭa - seen, looked at, beheld, perceived, viewed, observed, noticed; visible, apparent, observable; considered, regarded; treated of; appearing, manifested; occurring, found; experienced, suffered, endured; seen in the mind, devised, imagined, learned,śāstra - precept, rules, manual, compendium, book or treatiseiḍā - comfort, libationarthatā - objectsca - andtantra - a loom; depending on, framework; doctrine, rule, theory; a class of works teaching magical and mystical formulariesiva - as it were, as if