4:52 Descartes: Philosophy in an Hour Audiobook by Paul Strathern 7:04 Descartes: Philosophy in an Hour by Paul Strathern · Audiobook preview 8:49 PHILOSOPHY - René Descartes 5:02 \"The Philosophy of René Descartes in Quotes\" 9:02 Descartes Meditation I - Of the things which may be brought into Doubt