Sunlight cannot be polished with soap

The saying "The sun cannot be plastered with mud" conveys that obvious and universally known truths cannot be concealed by lies or misinformation. Just as we cannot cover the bright sun with mud, some facts simply cannot be hidden. Let’s explore the meaning of this saying and how it is used in everyday life!

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Although the exact origin of this saying is unknown, its logic is very simple. The sun is the brightest and largest source of light in the sky. It is impossible to obscure it with a tiny clump of mud. This metaphor is used to emphasize that truth, like the sun, is powerful and unmistakable.

At the core of this saying lies the idea that truth will eventually emerge, sooner or later. When someone tells a lie or tries to hide a fact, this concealment cannot last. Over time, that truth will surface, just as the sun breaks through the clouds. This expression invites people to be honest and to accept the truth.

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We use this saying when we see someone trying to conceal an obvious truth. For example:

• "It was clear that your friend did not do his homework. He lied to the teacher, but 'the sun cannot be plastered with mud'—the teacher figured out the truth."
• "Everyone knows how good our team is. No matter how badly the other team performs, 'the sun cannot be plastered with mud'—we will win this match."