不以规矩，不能成方圆 (不以規矩，不能成方圓) bù yǐ guīju, bù néng chéng fāngyuán

bù yǐ guīju, bù néng chéng fāngyuán phrase without rules, nothing can be done (idiom, from Mencius); one must follow some rules
Domain: Modern Chinese 现代汉语
Notes: (CC-CEDICT '不以規矩，不能成方圓')