-- The Upanishads -- The Bible -- Heraclitus -- The Buddha -- Tzu-ssu -- Plato -- Chuang-tzu -- Philo -- Jesus of Nazareth -- The Gospel of Thomas -- John the Evangelist -- Maximus of Tyre -- The Hermetic Writings -- The Diamond Sutra -- Gregory of Nyssa -- Isaac of Nineveh -- Tu-shun -- Muhammad -- Fa-tsang -- Shankara -- Pai-chang -- Hui-hai -- Padmasambhava -- Huang-pa -- Kuei-shan -- Abu Abdallah al-Harith al-Muhasibi -- Dhu'I-Nun alMisri -- Abu Yazid al-Bistami -- Johannes Scotus Erigena -- Yun-men -- Symeon the New Theologian -- Abu Sa'id ibn Abi'l-Khayr -- Bakhya ibn Pakuda -- Abu Hamil al-Ghazali -- Yuan-wu -- Hugh of St. Victor -- Wu-men -- Dogen -- Rumi -- Meister Eckhart -- Sharafuddin Maneri -- The Cloud of Unknowing -- Dame Julian of Norwich -- Michel Eyquem de Montaigne -- Baruch Spinoza -- Thomas Traherne -- Dov Baer of Mezritch -- Shmelke of Nikolsburg -- Yehiel Mikhal of Zlotchov -- Sa-Go- Ye-Wat-Ha -- William Blake -- Novalis -- Chief Seattle -- Ralph Waldo Emerson -- Henry David Thoreau -- Rainer Maria Rilke -- Albert Einstein -- Ramana Maharshi -- Franz Kafka -- Ludwig Wittgenstein -- Shunryu Suzuki -- Simone Weil