Now for the matters you wrote about: It is good for a man not to marry.1
References for 1 Corinthians 7:1
But since there is so much immorality, each man should have his own wife, and each woman her own husband.
The husband should fulfill his marital duty to his wife,2 and likewise the wife to her husband.
References for 1 Corinthians 7:3
The wife's body does not belong to her alone but also to her husband. In the same way, the husband's body does not belong to him alone but also to his wife.
Do not deprive each other except by mutual consent and for a time,3 so that you may devote yourselves to prayer. Then come together again so that Satan4 will not tempt you5 because of your lack of self-control.
References for 1 Corinthians 7:5
I say this as a concession, not as a command.6
References for 1 Corinthians 7:6
I wish that all men were as I am.7 But each man has his own gift from God; one has this gift, another has that.8
References for 1 Corinthians 7:7
Now to the unmarried and the widows I say: It is good for them to stay unmarried, as I am.9
References for 1 Corinthians 7:8
But if they cannot control themselves, they should marry,10 for it is better to marry than to burn with passion.
References for 1 Corinthians 7:9
To the married I give this command (not I, but the Lord): A wife must not separate from her husband.11
References for 1 Corinthians 7:10
But if she does, she must remain unmarried or else be reconciled to her husband.12 And a husband must not divorce his wife.
References for 1 Corinthians 7:11
To the rest I say this (I, not the Lord):13 If any brother has a wife who is not a believer and she is willing to live with him, he must not divorce her.
References for 1 Corinthians 7:12
And if a woman has a husband who is not a believer and he is willing to live with her, she must not divorce him.
For the unbelieving husband has been sanctified through his wife, and the unbelieving wife has been sanctified through her believing husband. Otherwise your children would be unclean, but as it is, they are holy.14
References for 1 Corinthians 7:14
But if the unbeliever leaves, let him do so. A believing man or woman is not bound in such circumstances; God has called us to live in peace.15
References for 1 Corinthians 7:15
How do you know, wife, whether you will save16 your husband?17 Or, how do you know, husband, whether you will save your wife?
References for 1 Corinthians 7:16