Sutra 1.26

पूर्वेषाम् अपि गुरुः कालेनानवच्छेदात्॥२६॥
poorvey-shaam api guruha kaalenana-vachhey-daath॥26॥

Unconditioned by time and beyond time itself, the Source is the ultimate teacher of the earliest wise ones.
 

Chris Johnson