Input: Relationship: 'say to', Argument/Subject 1: 'lord', Argument/Subject 2: 'arjuna'

Answer: Lord Krishna says to Arjuna : A Advaya Taraka Upanishad states that the true teacher is easily knowledgeable in the Veda , a lover of Vishnu , free from either envy , the apprehender of yoga & intent on yoga , and universally with a nature and severity of yoga .