'Evil' in the Bible

Then He asked them, "Are we allowed to do good on the Sabbath, or to do evil? to save a life, or to destroy one?" They remained silent.

For from within, out of men's hearts, their evil purposes proceed--fornication, theft, murder, adultery,

"An evil spirit of this kind," He answered, "can only be driven out by prayer."

"You should not have tried to hinder him," replied Jesus, "for there is no one who will use my name to perform a miracle and be able the next minute to speak evil of me.