Modern philosophy will determine the scope of one's use of "modern philosophy." How much of Renaissance intellectual history is part of modern philosophy is disputed: the Early Renaissance is often considered less modern and more medieval compared to the later High Renaissance. By the 17th and 18th centuries the major figures in philosophy of mind, epistemology, and metaphysics were roughly divided into two main groups. The "Rationalists," mostly in France and Germany, argued all knowledge must begin from certain "innate ideas" in the mind. Major rationalists were Descartes, Baruch Spinoza, Gottfried Leibniz, and Nicolas Malebranche. The "Empiricists," by contrast, held that knowledge
Philosopher arduously commit themselves to this lifestyle may be considered philosophers. A philosopher is one who challenges what is thought to be common sense, doesn’t know when to stop asking questions, and reexamines the old ways of thought. In a modern sense, a philosopher is an intellectual who has contributed in one or more branches of philosophy, such as aesthetics, ethics, epistemology, logic, metaphysics, social theory, and political philosophy. A philosopher may also be one who worked in the humanities or other sciences which have since split from philosophy proper over the centuries, such as the arts, history, economics, sociology, psychology,