Most thinking people---and even a lot of 'unthinking' people---want to know more about themselves and the human mind. Buddhism has a lot to say about the human mind. That should not come as a surprise, since Buddhism is more a system of psychology than a religion or a philosophy.
Consistent with an overall empiricism, the Buddha, and Buddhism generally, reject the idea that consciousness is an entity at all. Buddhist psychology recognises the following four functions (as opposed to ‘mental entities’, which they are not) of the mind: consciousness (viññāna), perception (sañña), feeling of body sensations (verdanā), and reaction (sankhāra). Now, the Buddha reportedly said: