perennial philosophy
Noun
Meaning
perennial philosophy (uncountable)
Synonym of philosophia perennis
Examples
More than twenty-five centuries have passed since that which has been called the Perennial Philosophy was first committed to writing; and in the course of those centuries it has found expression, now partial, now complete, now in this form, now in that, again and again.
The Bhagavad-Gita is perhaps the most systematic scriptural statement of the Perennial Philosophy.
I have tried to show that the Perennial Philosophy and its ethical corollaries constitute a Highest Common Factor, present in all the major religions of the world. To affirm this truth has never been more imperatively necessary than at the present time.