This talk by Harilalji is about a story of the rivalry of philosophers. The story tries to illustrate us that we are looking too much outward.
In the ancient India it was common to have challenges among philosophers and the loser and his disciples became the students of the winner.
Harilalji is giving many seminars in the Yoga Vidya ashrams. He is especially trained in yoga therapy. You can find all his seminars here.
There are many more English seminars offered by Yoga Vidya. You can find all of them here: yoga-vidya.org/english/seminar/