Some problems are so complex that you have to be highly intelligent and well informed just to be undecided about them.
A rut is a grave with the ends knocked out.
When a New Yorker looks like he has a suntan, it's probably rust.
When I want your opinion I'll give it to you.
If we lacked imagination enough to foresee something better, life would indeed be a tragedy.
The cave-dweller's wife complained that he hadn't dragged her anywhere in months.