Definition

1. Noun:
   • The constant way / the unchanging principle: A classical Confucian term referring to the fundamental and eternal moral principles governing human relationships and social order. It denotes the basic, unalterable norms of proper conduct.

Usage Examples

• Noun:
  • Di luân là nền tảng của đạo đức xã hội phong kiến. (Di luân is the foundation of feudal social morality.)
  • Giáo dục xưa chú trọng việc dạy di luân. (Education in the past focused on teaching the constant moral principles.)

Advanced Usage

• The term is almost exclusively used in classical, literary, or philosophical contexts, particularly when discussing Confucian ethics and the "Five Constant Relationships" (ngũ luân).

Variants and Related Words

• Ngũ luân (n): The Five Constant Relationships (ruler-subject, father-son, husband-wife, elder-younger, friend-friend).
  • Ngũ luân là phần cụ thể hóa của di luân. (The Five Relationships are a specific manifestation of the constant moral principles.)

Synonyms

• Moral constants: The unchanging ethical rules.
• Fundamental principles: The basic, guiding norms of conduct.

Related Concepts

• Đạo thường (n): A near-synonymous phrase meaning "the constant way" or "the regular path," often used interchangeably with .
  • Di luân và đạo thường có ý nghĩa tương đồng. (Di luân and đạo thường have similar meanings.)