O Yahweh, [the] king will rejoice in your strength, and how greatly he will delight in your help.
References for Psalms 21:1
You have given him the desire of his heart, and have not withheld the request of his lips. Selah
For you meet him [with] blessings of good [things]. You set on his head a crown of fine gold.
He asked life from you; you gave [it] to him-- length of days forever and ever.
His honor [is] great because of your help. Splendor and majesty you have bestowed upon him.
References for Psalms 21:5
For you set [on] him blessings forever. You make him glad with [the] joy [of] your presence.