What are some unique sayings that I can put on my purity ring?

If you like it then you’re gonna have to wait for it ;¬}

Pure love is a willingness to give without a thought of receiving anything in return.
O Lord, help me to be pure, but not yet.
or
There has to be evil so that good can prove its purity above it.

Temptation is a woman’s weapon and man’s excuse. ~H. L. Mencken

How about your Social Security number? That’s pretty unique. And if it gets lost, people will know it’s yours.

Not “Call xxx-xxxx for a good time.” Sorry, I just couldn’t resist a silly answer.

I do like @bob_‘s suggestion.

“You’ve got to lick it before we kick it.”

I would steer clear of Deuteronomy 22:28–29.

Love comes to those who wait (not original)

Sex can wait! Masturbate!

Be smart, do what’s right.

“No, the backdoor isn’t open, either.”