阿彌陀經通贊疏 2.39

2.39

答：「表四色是實而無假者，表生居淨土，心無諂曲、語不虛詞，證四涅槃、得四智故。」

Answer: 'To signify that the four colors are real and not fictitious, signifying that those born into and dwelling in the Pure Land have minds without flattery or crookedness, words without falsehood, and realize the four nirvāṇas and attain the four wisdoms.'