So shall my word be that goes forth out of my mouth: it shall not return unto me void, but it shall accomplish that which I please, and it shall prosper in the thing whereto I sent it. Isa 55:11 The Word Of The Lord (the Law Of God) has built-in rewards and punishments.      This is what this verse is speaking to.     God's Word will accomplish God's will which is to bless that which is good and curse that which is evil.

But his delight is in the law of the Lord; and in his law does he meditate day and night. Psm 1:2 The law of the Lord reveals His nature and His will.      We must know who the Lord is and what His will is in order for us to thrive in the universe that He created.

The Lord`s Laws are immutable and inviolable.   This is a testament to His Power, Veracity and His unchanging Nature.   

The Physical Laws hold the Universe together and enable the Scientific Method by which all the inventions of man are sure.   

Likewise, the Spiritual Laws of the Lord enable us to have confidence toward Him with respect to those things that are Eternal.   

Specifically, Seed Time and Harvest, otherwise known as Sowing And Reaping, is one of the most overarching Spiritual Laws that is evident both in the Physical Realm and Spirit Realm.   

The Spiritual Laws that Christ Jesus and the Holy Spirit instituted in the New Testament are the ones which impact the Physical Realm and the Spirit Realm throughout Eternity.   

The Word of the Lord is essentially the statement of Spiritual Law.   So, rather than enumerating all of them, I suggest reading the New Testament,

Just to whet your appetite, though, I will mention a few of the SpiritualLaws:

That if you shall confess with your mouth the Lord Jesus, and shall believe in your heart that His Holy Spirit has raised Him from the dead, you shall be saved. Rom 10:9 This is the encapsulation of Grace, clearly pointing out our part which is faith in Jesus and confession of Him as risen Lord and Saviour.      The implication of our part being to believe on Jesus Christ and confess Him as risen Lord, is that He has done everything else!      It is why we call it amazing Grace!      It is why the gospel is nearly too good to be true!      Who raised Jesus from the dead?      He raised Himself Joh 10:17,18 by His Holy Spirit Rom 8:11.

For I will be compassionate to their unrighteousness, and their sins and their iniquities will I remember no more. Heb 8:12 The Holy Spirit willed for us to be reconciled to Him.      In Christ Jesus He has forgiven all sin for all time for all humanity Heb 10:10.      But until a person receives the Holy Spirit they are separated from Him 1Jn 4:13.      And the only way to receive the Holy Spirit is by Grace Through Faith In Christ Jesus Eph 2:8.      When we receive Christ Jesus, we receive His Word and His Holy Spirit and become New Spirit beings Joh 3:5 Gal 4:29.      There is no other way to be reconciled to the Lord Act 4:12 1Jn 5:12.

Ask, and it shall be given you; seek, and you shall find; knock, and it shall be opened unto you: Mat 7:7 Jesus is teaching about faith.     To ask effectively you must speak what you desire and you must believe that you will receive.      When we seek we must seek in faith so that we will recognize what we are seeking when we see it.      When we knock we must expect the door to be opened and we must be prepared to enter in confidence.

These are just a few but they should excite you about the Lord and His Spiritual Laws.   Get into the Word!   

Spiritual Law trumps Physical Law.   

Scientists study Physical Law.   Technology is the product of application of Physical Law.   

Spiritual Law may also be studied since there is evidence of it in the Physical Realm.   

However, the powerful aspects of Spiritual Law are understood by Revelation.   

The method of Revelation is the Word of God.   

Our Lord is a Spirit existing in all dimensions.   The only time we have seen Him is when He walked the earth as Jesus.   

The Holy Spirit operates in the Spirit Realm and the Physical Realm according to His Laws.