“A dimwit thinks nothing is funny unless it's mean.”
“It's just a base hit, people. It means nothing unless we put a string of them together.”
“Experience means nothing unless you're paying attention.”
“Nothing is miserable unless you think it so; and on the other hand, nothing brings happiness unless you are content with it.”
“Nothing is wrong unless you think it is.”
“A constitution, as important as it is, will mean nothing unless the people are yearning for liberty and freedom.”