The Taittirya upanishad 2.1 says “The knower of Brahman realizes the highest !

Brahman is "Satyam  Jnanam Anantam Brahma"

Reality-Knowledge-Infinity is Brahman!

here , Satyam = Reality or truth
          Jananam = Knowledge
          Anantam = Infinity 

Upcoming posts will explain “Satyam” , “Jnanam” and “Anantam” in detail.