It is Unwise to Be Too Sure of One's Own Wisdom

This quote reminds us to maintain a healthy humility. While self confidence is an admirable trait, there is a line between that and pride or arrogance.

It is unwise to be too sure of one’s own wisdom. It is healthy to be reminded that the strongest might weaken and the wisest might err.

Is this quote from the Bible’s book of Proverbs, or from some other secular or religious author?