Therefore shall a man leave his father and his mother, and shall cleave unto his wife: and they shall be one flesh.

Genesis 2:24

Marriage is honourable in all, and the bed undefiled: but whoremongers and adulterers God will judge.

Hebrews 13:4

But if they cannot contain, let them marry: for it is better to marry than to burn.

1 Corinthians 7:9