By Spinoza, Benedictus de, Curley, Edwin
By Nussbaum, Martha Craven
By Prigogine, Ilya
By Searle
By Andre Laks
By Ficino, Marsilio, Allen, Michael J. B., Hankins, James
By Wittgenstein, Ludwig
By McDonald, Russ
By Mill, John Stuart, Warnock, Mary
By Renick, Timothy M.
By Moore, Lucy
By Will Durant
By Frankl, Victor
By Bloom, Allan
By Hacking, Ian
By Hadot, Pierre
By Thomson, Judith Jarvis
By Glenn W. Most, Glenn W. Most, Andre Lacks
By Plato