1 Corinthians 7:1
"Now concerning the things whereof ye wrote unto me: It is good for a man not to touch a woman."
Cross References (ranked by relevance)
I say therefore to the unmarried and widows, It is good for them if they abide even as I.
And God said unto him in a dream, Yea, I know that thou didst this in the integrity of thy heart; for I also withheld thee from sinning against me: therefore suffered I thee not to touch her.
So he that goeth in to his neighbour’s wife; whosoever toucheth her shall not be innocent.
Let thine eyes be on the field that they do reap, and go thou after them: have I not charged the young men that they shall not touch thee? and when thou art athirst, go unto the vessels, and drink of that which the young men have drawn.