This booklet contains the lectures: 'Hinduism - A universal religion' (a paper read at the Parliament of Religions at Chicago in 1893), 'Hinduism of the Vedas' (a lecture delivered in the West), 'Hinduism - its common bases' (a lecture delivered at Lahore in 1897), 'Hinduism - its philosophy' (a lecture delivered in the West), 'Hinduism - Its four yogas'.