The root of meditation is the Guru's form; the root of worship is the Guru's feet; the root of all mantra is the Guru's word; and the root of liberation is the Guru's grace.
ध्यानमूलं गुरोर्मूर्तिः पूजामूलं गुरोः पदम् । मन्त्रमूलं गुरोर्वाक्यं मोक्षमूलं गुरोः कृपा