The following is an excerpt from a lecture given by Srila Bhaktisiddhanta Saraswati Thakura at his last manifest Vyasa puja celebration February 6th, 1936. Vyasa puja is the day traditionally set aside to honor the spiritual master.
We have taken upon ourselves the responsibility of welcoming this grave charge. All the audience have accepted ordinary seats, I alone have been provided with a lofty seat. All are being told in effect - "Do have a look at a big animal from the Zoo-gardens. What arrogance! So foolish! So wicked! Have you ever seen such a big brute?
The gurudeva is mentioned in the sastra with an example. The sisya is like a lotus, and the gurudeva like the water around, just as in a pond or in a lake, gurudevas position is like water and Krsna is like the sun. As long as the lotus is floating on the water, the sun will give life to the lotus but if the water vanishes that very sun will burn the lotus.