en_tn_condensed/pro/20/09.md

Who can say, "I have kept my heart pure; I am clean from my sin"?

The implicit answer to this question is, "No one can say that." This rhetorical question can be written as a statement. Alternate translation: "No one can say that his heart is clean and that he is free from sin" (See: rc://en/ta/man/translate/figs-rquestion)

my heart

Here a person's "heart" refers to his thoughts and desires. Alternate translation: "my thoughts" (See: rc://en/ta/man/translate/figs-metonymy)

clean

A person who God considers spiritually acceptable is spoken of as if the person where physically clean. (See: rc://en/ta/man/translate/figs-metaphor)

I am clean from my sin

"I am without sin" or "I have not sinned"