James 3:10

Verse 9–13. By it we bless God, and so forth Such different effects from the same cause, as of blessing God, and cursing men, created to the likeness of God, seem contrary to the ordinary course of nature; for a fountain from the same source doth not send forth both sweet and bitter streams.—Who is a wise man, and endued with knowledge among you? and so forth This seems to be connected with the admonition given at the beginning of the chapter, be not many masters; let none pretend to this but who have wisdom and knowledge, which also may be known by their prudent and mild conversation.