Sin is cruelty and injustice, all else is peccadillo. Oh, a sense of sin comes from violating the customs of your tribe. But breaking custom is not sin even when it feels so; sin is wronging another person.
Never cast pearls before swine.
You live and learn. Or you don't live long.
No intelligent man has any respect for an unjust law.
A prude is a person who thinks that his own rules of propriety are natural laws.
Touch is the most fundamental sense. A baby experiences it, all over, before he is born and long before he learns to use sight, hearing, or taste, and no human ever ceases to need it. Keep your children short on pocket money but long on hugs