No good thing will he withhold from them that walk uprightly. (Psalm 84:11)
 
Many pleasing things the Lord may withhold but “no good thing.” He is the best judge of what is good for us. Some things are assuredly good, and these we may have for the asking through Jesus Christ our Lord.
 
Holiness is a good thing, and this He will work in us freely. Victory over evil tendencies, strong tempers, and evil habits He will gladly grant, and we ought not to remain without it.
 
Full assurance He will bestow, and near communion with Himself, and access into all truth, and boldness with prevalence at the mercy seat. If we have not these, it is from want of faith to receive and not from any unwillingness of God to give. A calm, a heavenly frame, great patience, and fervent love–all these will He give to holy diligence.
 
But note well that we must “walk uprightly.” There must be no cross purposes and crooked dealings; no hypocrisy nor deceit. If we walk foully God cannot give us favors, for that would be a premium upon sin. The way of uprightness is the way of heavenly wealth — wealth so large as to include every good thing.
 
What a promise to plead in prayer! Let us get to our knees.

Charles Spurgeon