Jaggi vasudev, is popularly known by sadhguru. He is a master of spiritualism, author, good speaker and always ready to help the human society. He is also a founder of 'the isha foundation' and known for his wisdom, orator, yoga and self-realization. How deeply you touch another life, is how rich your life is. 
When pain, misery or anger happen, it is time to look within you, not around you. 