Verse 67

गुरुरादिरनादिश्च ।गुरुःपरमदैवतं ॥गुरुमंत्रसमोनास्ति ।तस्मैश्रीगुरवेनमः ॥

In plain words

The guru is the beginning, and he is without beginning; the guru is the highest deity. There is nothing equal to the guru's mantra: to that Śrī Guru, salutation.