Bereshit 

בראשית

The Sages discuss the sin of the Tree of Knowledge, explaining the serpent’s contentions as well as what caused Eve to convince Adam to eat the fruit. 

The serpent went and said to the woman: Is it true that also you<footnote data-num="15"/> are commanded with regard to the fruits of this tree? She said to him: Yes, as it is stated: “But from the fruit of the tree that is in the midst of the garden, God said: You shall not eat of it, nor shall you touch it, lest you die” (Genesis 3:3). From her words,<footnote data-num="16"/> the serpent found an opening through which it could enter [and undermine the prohibition]. The serpent said to her: This command is nothing more than stinginess,<footnote data-num="17"/> as at the moment that you eat from it you will be like God. What does He do? He creates worlds and destroys worlds – likewise, you will be able to create worlds and destroy worlds. Just as He brings death and gives life, you too will be able to bring death and give life. The serpent went and touched the tree. The tree screamed and said: Wicked one, don’t touch me! The serpent went and said to the woman: I touched the tree and I did not die, you too touch it and you will not die. The woman went and touched the tree and saw the angel of death approaching her. She said: Perhaps now I will die, and the Holy One, blessed be He, will form another woman for Adam. I will cause him to eat with me. If we die, both of us will die, and if we live, both of us will live. She went and took and ate of the fruits of the tree, and gave of its fruits to her husband too, so that he would eat with her. <source>(Pirkei deRabbi Eliezer 13) </source>