The Great Thinkers

absolute accepted activity animal apprehended Aristotle atheism attribute beauty believe Berkeley British empiricism Cartesian cause clear and distinct complete conceive concepts construct criticism Descartes Discourse on Method divine doubt emotions empirical Essay essentially existence experience external feeling field finite formulate fundamental further God's Hilaire Belloc human Hume Hume's Ibid ideal infinite intellectual intuition John Locke Kant Kant's kind knowledge Leibniz living Locke Locke's logic Malebranche Mary mathematics matter merely metaphysics method mind modern modes Monadology monads moral mystical nature objective objective idealism pantheism perceive perception perfect philosophy physical Plato Plotinus position pre-established harmony principle problem Protagoras psychology pure question rational realist reality realm reason reflection regarded relation rest scepticism scientific scientists sect sensation sense simple ideas social Socrates soul space-time Spinoza spirit standpoint substance things thinkers thinking thought tion transcendental true truth ultimate understand unity universal whole