'Explanation' in the Bible

I turned my thoughts to know, explore, and seek wisdom and an explanation for things, and to know that wickedness is stupidity and folly is madness.

“Look,” says the Teacher, “I have discovered this by adding one thing to another to find out the explanation,

Who is as the wise? and who knoweth the explanation of things? A man's wisdom maketh his face to shine, and the boldness of his face is changed.