鏡以精明，美惡自服；衡平無私，輕重自得。
A mirror, owing to its purity and brightness, can cause both the beautiful and the ugly to accept the truth that it conveys.
A scale is fair and without bias, so the weight of things can be obtained from it as a matter of course.
逢生枲中，不扶自直；白沙入泥，與之皆黑。
When wild grass grows in clumps of hemp, it is straight without being supported; when white sand falls into mud, it joins the mud in blackness.
On Time