I think the proverb means that. You need to take classes in architect ( or some education ) to learn how to build houses and by understanding if it's firm on a base. By knowledge the rooms are filled with all precious and pleasent riches. Like a designer, you need to know about design. The proverb is basically about how you need knowledge to do both of these things.
Answer:
<h3>I think the answer is letter C.</h3>
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It’s either the first one or the third one