If we want to define Siddhas in a word, they are "marmayogis", in possession of the great secret of living, not easily understood by ordinary men. They have understood the meaning of the cycle of birth and death. They have directly experienced the divine by means of their meditative powers. But despite their detachment, they are full of love and goodwill for ordinary men. Listen to this audio explanation of the greatness of Siddha saints. You too will be electrified by it.