In Mahayana Buddhism Prajna (Sanskrit) means "insight" or "wisdom", and entails insight into "sunyata". It is similar to prajna, to realizing the Buddha-nature, realizing sunyata and realizing suchness. Shiva as "Upaya" and Shakti as "Prajna". Self-consciousness means Self-knowledge, the knowledge of Prajna i.e. of Prana which is Brahman. According to the Upaya website, in 2002 Joan Halifax founded the Prajna Mountain Buddhist Order. Jnanagupta and Prajna contributed through several important translations of Sanskrit sutras into Chinese language. The kapala itself is a symbol of wisdom ("prajna") and knowledge. The feminine form is passive and represents wisdom ("prajna"), which is also necessary to enlightenment. The opposite of "Moha" is "Prajna" (insight, wisdom). Chapter Two contains a lecture on prajna, given after a recitation of the "Mahaprajnaparamita Sutra". Later on, "prajna" was replaced in the suttas by the "four truths". He has two children, Sandeep Chowta (a musician) and Prajna Chowta (an ethnographer). Initially the term "prajna" served to denote this "liberating insight". Prajna (the conscious) is its eye. His sister is ethnographer Prajna Chowta.