'Unwise' in the Bible

Do ye thus requite Jehovah, O foolish people and unwise? Is not he thy father that hath bought thee? He hath made thee, and established thee.

The sorrows of a travailing woman shall come upon him: he is an unwise son; for it is time he should not tarry in the place of the breaking forth of children.

Look therefore carefully how ye walk, not as unwise, but as wise;