शिव एको गुरुसाक्षात् गुरुरेव शिव स्वयं |
उभयोरन्तरं किंचित् न द्रष्टव्यं मुमुक्षुभि || – श्रीगुरुगीता
Shiv eko Guruh sakshaat Gururev Shiv swayam
Ubhayorantaram kinchit na drashtavyam mumukshubhih – Shree Guru Gita
Meaning : God Shiva is the Guru (Master) and Guru Himself is God Shiva. A Mumukhsu (one having an intense desire to attain God must not make any distinction between the two.