You don't have to go to the party unless you want to. ✬

Unless you make a decision quickly, the opportunity will be lost. ✬

You don't need to go unless you want to. ✬

You don't have to go unless you want to. ✬

You can't enter here unless you have a pass. ✬

Technology is in itself meaningless unless it serves mankind. ✬

We won't go out unless it stops raining. ✬

You won't succeed unless you work hard. ✬

You'll never know unless you try. ✬

Nothing happens unless you make it happen. ✬