William Borman states that the key to his satyagraha is rooted in the Hindu Upanishadic texts.[47] According to Indira Carr, Gandhi's ideas on ahimsa and satyagraha were founded on the philosophical foundations of Advaita Vedanta.[48] I. Bruce Watson states that some of these ideas are found not only in traditions within Hinduism, but also in Jainism or Buddhism, particularly those about non-violence, vegetarianism and universal love, but Gandhi's synthesis was to politicise these ideas.[49] Gandhi's concept of satya as a civil movement, states Glyn Richards, are best understood in the context of the Hindu terminology of Dharma and Ṛta.[50]