out the medieval ages, the foremost task of the philosopher seemed to be to attempt the proof of the existence and nature of God, and the immortality of the soul. The leading thinkers of the seventeenth century, Hobbes, Descartes, Spinoza, Leibnitz, and Malebranche, liberated philosophy from its bondage to theology. The criticism of Kant of the philosophical foundations of belief destroyed the "theological proofs," and modern thinkers now spend little time on the question of the existence and nature of God and the soul.
Modern philosophy has been completely secularized, and it is a rare occasion to find a philosopher dwelling on the problems of God and immortality. This question in philosophy, as in all other branches of thought, is utterly irrelevant and at present there is less insistence on God and more on the world, man, morals, and the conditions of social life.
It cannot be denied that we are under a heavy obligation intellectually to the Greek philosophers. And it may be that the fruitful efforts of those minds were largely due to their unhampered intellectual freedom. They had no "holy books" and few authorities to check their free speculation and hence these Greek thinkers furnish the first instance of intellectual freedom, from which arose their intelligent criticism and speculation. "They discovered skepticism in the higher and proper significance of the word, and this was their supreme contribution to human thought." (James Harvey Robinson: "The Mind In The Making.")
We know the teachings of Socrates only through his disciple Plato, as Socrates wrote nothing himself. From this source we gather that Socrates firmly upheld the right and necessity of free thought. He was mainly a moralist and reformer, and attempted to prove the existence of God by finding evidence of design in nature.
