How can humbling ourselves to God bless us?

And they did humble¹ themselves even in the depths of humility; and they did cry mightily to God; yea, even all the day long did they cry unto their God that he would deliver² them out of their afflictions.                        Mosiah 21:14

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Mosiah 29:20 But behold, he did deliver them because they did humble themselves before him; and because they cried mightily unto him he did deliver them out of bondage; and thus doth the Lord work with his power in all cases among the children of men, extending the arm of mercy towards them that put their trust in him.

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~Deliver, Deliverance:

                              Psalm 140

David prays for deliverance from his enenmies—

The Lord maintains the cause of the poor and afflicted. To the chief Musician, A Psalm of David. 

★ 1 Deliver me, O Lord, from the evil man: preserve me from the violent man;

 2 Which imagine mischiefs in their heart; continually are they gathered together for war.

 3 They have sharpened their tongues like a serpent; adders’ poison is under their lips. Selah.

 4 Keep me, O Lord, from the hands of the wicked; preserve me from the violent man; who have purposed to overthrow my goings.

 5 The proud have hid a snare for me, and cords; they have spread a net by the wayside; they have set gins for me. Selah.

 6 I said unto the Lord, Thou art my God: hear the voice of my supplications, O Lord.

 7 O God the Lord, the strength of my salvation, thou hast covered my head in the day of battle.

 8 Grant not, O Lord, the desires of the wicked: further not his wicked device; lest they exalt themselves. Selah.

 9 As for the head of those that compass me about, let the mischief of their own lips cover them.

 10 Let burning coals fall upon them: let them be cast into the fire; into deep pits, that they rise not up again.

 11 Let not an evil speaker be established in the earth: evil shall hunt the violent man to overthrow him.

 12 I know that the Lord will maintain the cause of the afflicted, and the right of the poor.

 13 Surely the righteous shall give thanks unto thy name: the upright shall dwell in thy presence.

Matthew 27:43 He trusted in God; let him deliver him now, if he will have him: for he said, I am the Son of God.

Alma 36:27 And I have been supported under trials and troubles of every kind, yea, and in all manner of afflictions; yea, God has delivered me from prison, and from bonds, and from death; yea, and I do put my trust in him, and he will still deliver me.

Doctrine and Covenants 8:4 Therefore this is thy gift; apply unto it, and blessed art thou, for it shall deliver you out of the hands of your enemies, when, if it were not so, they would slay you and bring your soul to destruction.

Moses 5:23 If thou doest well, thou shalt be accepted. And if thou doest not well, sin lieth at the door, and Satan desireth to have thee; and except thou shalt hearken unto my commandments, I will deliver thee up, and it shall be unto thee according to his desire. And thou shalt rule over him;

Joseph Smith—History 1:17 It no sooner appeared than I found myself delivered from the enemy which held me bound. When the light rested upon me I saw two Personages, whose brightness and glory defy all description, standing above me in the air. One of them spake unto me, calling me by name and said, pointing to the other—This is My Beloved Son. Hear Him!

~Protection, Divine:

Isaiah 54:17 ¶ No weapon that is formed against thee shall prosper; and every tongue that shall rise against thee in judgment thou shalt condemn. This is the heritage of the servants of the Lord, and their righteousness is of me, saith the Lord.

Ephesians 6:11 Put on the whole armour of God, that ye may be able to stand against the wiles of the devil.

Doctrine and Covenants 89:21 And I, the Lord, give unto them a promise, that the destroying angel shall pass by them, as the children of Israel, and not slay them. Amen.