Correct
不以规矩，不能成方圆
/ bù yǐ guīju, bùnéng chéng fāngyuán /
Strokes
Definition
without rules, nothing can be done (idiom, from Mencius); one must follow some rules
Example
Definition
without a compass or square, you can't draw a circle or a square—nothing can be accomplished if there is no rule to go by/if there are no necessary tools