Ye have heard that it was said, Thou shalt love thy neighbor, and hate thine enemy: but I say unto you, love your enemies, and pray for them that persecute you; (Matthew 5:43, 44 ASV)
So when they continued asking him, he lifted up himself, and said unto them, He that is without sin among you, let him first cast a stone at her. (John 8:7 KJV)
The above verses are used in our society to justify a person's lifestyle. They are constantly used in the church in the debate, for instance, of homosexual marriage or abortion.
Many Christians lose sight that it is not the person that is to be hated but the sin or the act of sin that is to be hated.
Hate evil, you who love the Lord, Who preserves the souls of His godly ones; He delivers them from the hand of the wicked. (Psalms 97:10 NASB)