（1） One mind， original nature. The sameness of principle and nature. Unchanging nature. True thusness 真如. The world of true thusness witnessed by non-discriminating wisdom that has penetrated to the emptiness of self and existence. （acm） （2） The unchanging principle or original nature as the cause of awakening; distinguished from kuoxing 果性， "result nature;" awakening as the result of practice. （jh）