In: Psychology
The great philosopher Gottfried Wilhelm Leibniz gave the ultimate account of metaphysical reality by devising many theories like the :
He considered every object in the universe as an illusion whose fate is predetermined by God. He believed that every entity whether animate or inanimate has a mond of its own which he termed as the "monads". Each of these monads which can be segregated as the soul, the mind and the bare monad had 2 states of mind - the perceptions - abstract, muddled or distinct and the appetitions - conscious, unconscious or distinct.
Leibniz proposed the solution to many problems such as the :
Thus, the greatest metaphysical contribution of Leibniz to the worls is the relation between mind and body.