God’s word vs Man’s word

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God forbid: yea, let God be true, but every man a liar, as it is written, That thou mightest overcome when thou are judged. Romans 3:4 King James Bible

Now the serpent was more subtil then any beast of the field, which the LORD God had made, and he said unto the woman, Yea, hath God said, Ye shall not eat of every tree of the garden? Genesis 3:1 King James Bible

Thus saith the LORD, Cursed be the man that truseth in man, and maketh his flesh his arm, and whose heart departeth from the LORD. Jeremiah 17:5 King James Bible