noun
philosophic principles; philosophy
Refers to the fundamental principles or underlying philosophy of a system, field, or way of thinking, rather than the academic discipline of philosophy (which is usually 哲学).
彼の経営には独自の哲理がある。
His management has its own philosophy.
この本は東洋の哲理をわかりやすく説明している。
This book explains Eastern philosophical principles in an easy-to-understand way.