קַוֵּ֗ה אֶל־יְה֫וָ֥ה חֲ֭זַק וְיַאֲמֵ֣ץ לִבֶּ֑ךָ וְ֝קַוֵּ֗ה אֶל־יְהוָֽה׃
Wait on the LORD; Be strong, and let thy heart take courage; Yea, wait thou for the LORD.
Rashi on Psalms
Hope for the Lord and if your prayer is not accepted, reinforce your hope.