Actually that's not true:
Learned:
Hebrews 5:8 (KJV)
Though he were a Son, yet learned he obedience by the things which he suffered;
Changed His mind... but I guess that doesn't mean He changed Himself...
Genesis 6:6-7 (KJV)
And it repented the LORD that he had made man on the earth, and it grieved him at his heart. And the LORD said, I will destroy man whom I have created from the face of the earth; both man, and beast, and the creeping thing, and the fowls of the air; for it repenteth me that I have made them.
Exodus 32:14 (KJV)
And the LORD repented of the evil which he thought to do unto his people.
Psalms 106:45 (KJV)
And he remembered for them his covenant, and repented according to the multitude of his mercies.
1 Chronicles 21:15 (KJV)
And God sent an angel unto Jerusalem to destroy it: and as he was destroying, the LORD beheld, and he repented him of the evil, and said to the angel that destroyed, It is enough, stay now thine hand. And the angel of the LORD stood by the threshingfloor of Ornan the Jebusite.
Jeremiah 18:8 (KJV)
If that nation, against whom I have pronounced, turn from their evil, I will repent of the evil that I thought to do unto them.
Jeremiah 26:13 (KJV)
Therefore now amend your ways and your doings, and obey the voice of the LORD your God; and the LORD will repent him of the evil that he hath pronounced against you.
Jeremiah 26:15 (KJV)
But know ye for certain, that if ye put me to death, ye shall surely bring innocent blood upon yourselves, and upon this city, and upon the inhabitants thereof: for of a truth the LORD hath sent me unto you to speak all these words in your ears.
Jeremiah 26:19 (KJV)
Did Hezekiah king of Judah and all Judah put him at all to death? did he not fear the LORD, and besought the LORD, and the LORD repented him of the evil which he had pronounced against them? Thus might we procure great evil against our souls.
Amos 7:3 (KJV)
The LORD repented for this: It shall not be, saith the LORD.
Amos 7:6 (KJV)
The LORD repented for this: This also shall not be, saith the Lord GOD.
Jonah 3:10 (KJV)
And God saw their works, that they turned from their evil way; and God repented of the evil, that he had said that he would do unto them; and he did [it] not.
Jonah 4:2 (KJV)
And he prayed unto the LORD, and said, I pray thee, O LORD, [was] not this my saying, when I was yet in my country? Therefore I fled before unto Tarshish: for I knew that thou [art] a gracious God, and merciful, slow to anger, and of great kindness, and repentest thee of the evil.
Certainly the first one though is true