Bible verses

"For the word of God is living and active, sharper than any two-edged sword, piercing to the division of soul and of spirit, of joints and of marrow, and discerning the thoughts and intentions of the heart." Hebrews 4:12 ESV

"God is not a man, that he should lie, or son of man, that he should change his mind. Has he said, and will he not do it? Or has he spoken, and will he not fulfill?"

Numbers 23:19 ESV

"so shall my word be that goes out from my mouth; it shall not return to me empty, but it shall accomplish that which I purpose, and shall succeed in the thing for which I sent it." Isaiah 55:11 ESV