Michel de Montaigne (1580)
Teresa of Ávila (1577)
Niccolò Machiavelli (1532)
Thomas More (1516)
Unknown (1400)
Dante Alighieri (1320)
Unknown (1300)
Farid ud-Din Attar (1177)
Hildegard von Bingen (1150)
Unknown (1000)
Various (800)
Boethius (524)
Augustine of Hippo (398)
Jerome (384)
Jerome (373)
Plato (-380)
Sun Tzu (-500)