'Sifting' in the Bible

The lips of the wise spread knowledge [sifting it as chaff from the grain];But the hearts of [shortsighted] fools are not so.

A king sits on a throne of justice, sifting out all sorts of evil with his glance.

I said to myself regarding the sons of men, “God is surely testing them in order for them to see that [by themselves, without God] they are [only] animals.”

When the Lord has washed away the [moral] filth of the daughters of Zion and has cleansed the bloodstains of Jerusalem from her midst, by the spirit of judgment and by the spirit of burning,

For the word of God is living and active and full of power [making it operative, energizing, and effective]. It is sharper than any two-edged sword, penetrating as far as the division of the soul and spirit [the completeness of a person], and of both joints and marrow [the deepest parts of our nature], exposing and judging the very thoughts and intentions of the heart.