The hope of the righteous shall be gladness: but the expectation of the wicked shall perish.
The hope of the righteous (shall be) gladness - i:e., shall have a glad and joyful issue. Though they have many blessings now, their chief portion is in "hope" (Romans 8:24).
But the expectation of the wicked shall perish - i:e., shall be disappointed, and so shall bring not "gladness," but eternal mourning.