A core of philosophical truths that is hypothesized to exist independently of and unaffected by time or place.
- ‘The author looks upon Hinduism and Buddhism not from a historical point of view, but from the perspective of the philosophia perennis, to which A. K. Coomaraswamy would add et universalis.’
- ‘He pleads for a return to the philosophia perennis and for a rediscovery of the traditional philosophy of the West which has become no more than a matter of historical interest.’
- ‘For the Continental tradition, philosophical problems do not fall from the sky ready-made and cannot be treated as elements in some ahistorical fantasy of philosophia perennis.’
Mid 19th century: Latin, literally perennial philosophy.