(‘knowledge and insight’). Buddhist knowledge as an act of ‘seeing’. Dassana indicates ‘seeing or sight’. When combined with ñ a it gives the special meaning, ‘insight arising from knowledge’. Thus the Buddha is described as one who ‘knows and sees’ ( tam aha j n mi pass mi , Majjhima Nik ya 1. 329). The central truths of Buddhism are ‘seen’ ( Sa yutta Nik ya 229). Even nirv na is ‘seen’ ( Majjhima Nik ya 1. 511). According to the Nik yas this ‘knowledge and insight’ is a result of mental concentration ( sam dhi ), and it is said that there is a causal relation between the attainment of mental concentration and the emergence of this knowledge and insight ( D gha Nik ya