"This book provides an introduction to the most important philosopher of the Islamic world, Ibn Sīnā, often known in English by his Latinized name Avicenna. After introducing the man and his works, with an overview of the historical context in which he lived, the book devotes chapters to the different areas of Ibn Sīnā's thought. Among the topics covered are his innovations in logic, his theory of the human soul and its powers, the relation between...

"This is a story about a dangerous idea--one which ignited revolutions in America, France, and Haiti; burst across Europe in the revolutions of 1848; and returned to inflame a new generation of intellectuals to lead the abolition movement--the idea that all men are created equal. In their struggle against the slaveholding oligarchy of their time, America's antislavery leaders found their way back to the rationalist, secularist, and essentially atheist...