Abu Ya’qub al-Sijistani (fl. 971) Abu Ya‘qub al-Sijistani was first and foremost a member of the Ismaili underground mission — the da‘wa, as it is known in Arabic — that operated in the Iranian province of Khurasan and Sijistan during the tenth century. In the later part of his life, al-Sijistani was or had become a supporter of the Fatimids imams, then ruling from their

Aztec Philosophy Conquest-era Aztecs conceived philosophy in essentially pragmatic terms. The raison d’etre of philosophical inquiry was to provide humans with practicable answers to what Aztecs identified as the defining question of human existence: How can we maintain our balance while walking upon the slippery earth? Aztec philosophers addressed this question against an assumed metaphysics which held that the cosmos and its human inhabitants are

The Phenomenological Reduction There is an experience in which it is possible for us to come to the world with no knowledge or preconceptions in hand; it is the experience of astonishment. The “knowing” we have in this experience stands in stark contrast to the “knowing” we have in our everyday lives, where we come to the world with theory and “knowledge” in hand, our

Critias (460—403 B.C.E.) Critias, son of Callaeschrus, an Athenian philosopher, rhetorician, poet, historian, and political leader, was best known for his leading role in the pro-Spartan government of the Thirty (404-403 BC). But Critias also produced a broad range of works and was a noted poet and teacher in his own time. The fragments of three tragedies and a satyr play, a collection of elegies,

Vasubandhu (fl. 4th or 5th cn. C.E.) Vasubandhu was a prominent Buddhist teacher and one of the most important figures in the development of Mahyna Buddhism in India. Though he is particularly admired by later Buddhists as co-founder of the Yogcra school along with his half brother Asanga, his pre-Yogcra works, such as the Abhidharmakosha and his auto-commentary (Abhidharmakoshabhshya) on it, are considered masterpieces. He

David Hume: Imagination David Hume (1711–1776) approaches questions in epistemology, metaphysics, ethics and aesthetics via questions about our minds. For example, before addressing the epistemological question of whether we have any justification for our beliefs about unobserved states of affairs, Hume asks which of our cognitive faculties is responsible for these beliefs. Before addressing the metaphysical question, What is causal necessity (or necessary connexion)? , he