God never changes.
Jesus Christ the same yesterday, and to day, and for ever. – Hebrews 13:8 KJV
23 And they truly were many priests, because they were not suffered to continue by reason of death: 24 But this man, because he continueth ever, hath an unchangeable priesthood. 25 Wherefore he is able also to save them to the uttermost that come unto God by him, seeing he ever liveth to make intercession for them. – Hebrews 7:23-25 KJV
Every good gift and every perfect gift is from above, and cometh down from the Father of lights, with whom is no variableness, neither shadow of turning. – James 1:17 KJV
That by two immutable things, in which it was impossible for God to lie, we might have a strong consolation, who have fled for refuge to lay hold upon the hope set before us: – Hebrews 6:18 KJV
Compare this with what God has to say about man in Romans 3 that all men are liars:
‘God forbid: yea, let God be true, but every man a liar; as it is written, That thou mightest be justified in thy sayings, and mightest overcome when thou art judged.’ – Romans 3:4 KJV
God’s people will not be moved in the day of judgement.
Wherefore take unto you the whole armour of God, that ye may be able to withstand in the evil day, and having done all, to stand. – Ephesians 6:13 KJV
Therefore, my beloved brethren, be ye stedfast, unmoveable, always abounding in the work of the Lord, forasmuch as ye know that your labour is not in vain in the Lord. – 1 Corinthians 15:58 KJV
To the chief Musician for the sons of Korah, A Song upon Alamoth. God is our refuge and strength, a very present help in trouble. – Psalm 46:1 KJV
Therefore will not we fear, though the earth be removed, and though the mountains be carried into the midst of the sea; – Psalm 46:2 KJV
19 And when he saw a fig tree in the way, he came to it, and found nothing thereon, but leaves only, and said unto it, Let no fruit grow on thee henceforward for ever. And presently the fig tree withered away. 20 And when the disciples saw it, they marvelled, saying, How soon is the fig tree withered away! 21 Jesus answered and said unto them, Verily I say unto you, If ye have faith, and doubt not, ye shall not only do this which is done to the fig tree, but also if ye shall say unto this mountain, Be thou removed, and be thou cast into the sea; it shall be done. – Mat 21:19-21 KJV
Therefore whosoever heareth these sayings of mine, and doeth them, I will liken him unto a wise man, which built his house upon a rock: – Mathew 7:24 KJV
And the rain descended, and the floods came, and the winds blew, and beat upon that house; and it fell not: for it was founded upon a rock. – Mathew 7:25 KJV
The unsaved will not be able to stand in the day of judgement.
And the kings of the earth, and the great men, and the rich men, and the chief captains, and the mighty men, and every bondman, and every free man, hid themselves in the dens and in the rocks of the mountains; – Revelation 6:15 KJV
And said to the mountains and rocks, Fall on us, and hide us from the face of him that sitteth on the throne, and from the wrath of the Lamb: – Revelation 6:16 KJV
For the great day of his wrath is come; and who shall be able to stand? – Revelation 6:17 KJV
And every one that heareth these sayings of mine, and doeth them not, shall be likened unto a foolish man, which built his house upon the sand: – Mathew 7:26 KJV
And the rain descended, and the floods came, and the winds blew, and beat upon that house; and it fell: and great was the fall of it. – Mathew 7:27 KJV