The Calligrapher — Chǔ Suíliáng 褚遂良

Tang chancellor and regular-script master of elegant, balanced strokes.

Tang calligrapher (596–658), master of regular script — Tang master of graceful, tensile regular script favored by the imperial court. Tang dynasty

Cultural Story

矩 is the carpenter's square, the L-shaped tool that turns a wish into a right angle. Mencius fixed it forever: 不以规矩，不能成方圆 — without compass and square, no circles or squares can be made. Craftsmen, and every moralist after them, took the tool as the emblem of rule: bend to the 矩 and the wall stands true; defy it and everything lists.

Common words & phrases

• 规矩 rule · custom · regulation · norm
• 矩形 rectangle · rectangular · oblong · shape
• 力矩 moment · torque · moment of force · leverage
• 矩尺 square ruler · carpenter's square · gauge · tool
• 循矩 follow rules · conform · obey · comply
• 矩范 model · standard · pattern · example

Read the story behind the character

The square still measures everything. Physics class computes 力矩 (torque, the moment of force); geometry exams demand the diagonals of a 矩形 (rectangle); a workshop wall hangs the trusty 矩尺 (square ruler). And family life keeps Mencius alive — parents set 规矩 (house rules, norms), and a child who breaks them learns that without 规矩 nothing comes out square.

Why this character belongs on skin

The carpenter's square is the quiet tyrant of the workshop, the L of true wood, the measure against which every crooked thing is known. This is the rule, the norm, the 矩 that pairs with the compass to make the order that lets a house stand and a society hold. Confucius taught that the gentleman is the square that needs no ruler, his character itself the measure others are sized against. There is a liberating severity in the line, for the rule does not resent the crooked beam; it simply tells the truth. The Daoist might warn that too much square kills the living curve, but even he built his hut to the plumb. To wear this mark is to choose the honest edge, the standard you will not bend. Let it lie straight along the arm or the spine. The ink is a rule you set against your own life, a permanent right angle to measure by.