yathāpāṁ prakṛtiḥ parā

svacchatvam-clarity; avikaritvam-freedom from all distraction; santatvam-serenity; iti-thus; cetasah-of consciousness; vrttibhih-by characteristics; laksanam-traits; proktam-called; yatha-as; apam-of water; prakrtih-natural state; para-pure.