Mark 10:11 (KJV)

But from the beginning of the creation God made them male and female.

For this cause shall a man leave his father and mother, and cleave to his wife;

And they twain shall be one flesh: so then they are no more twain, but one flesh.

What therefore God hath joined together, let not man put asunder.

And in the house his disciples asked him again of the same matter.

And if a woman shall put away her husband, and be married to another, she committeth adultery.

And they brought young children to him, that he should touch them: and his disciples rebuked those that brought them.

But when Jesus saw it, he was much displeased, and said unto them, Suffer the little children to come unto me, and forbid them not: for of such is the kingdom of God.

Verily I say unto you, Whosoever shall not receive the kingdom of God as a little child, he shall not enter therein.

And he took them up in his arms, put his hands upon them, and blessed them.