恒こう久きゅう不ふ変へん

noun

permanent and immutable; eternally unchanging

Formal, often used in philosophical, legal, or rhetorical contexts to describe principles, truths, or conditions that are absolutely unalterable.

• この憲けん法ぽうの基き本ほん理り念ねんは恒こう久きゅう不ふ変へんである。

  The fundamental principles of this constitution are permanent and immutable.

• 彼かれは恒こう久きゅう不ふ変へんの真しん理りを探たん求きゅうした。

  He sought eternal and unchanging truth.