An unproductive truth is none. But there are products which cannot be weighed even in patent scales, nor brought to market.

Commerce has made all winds her mistress.

Compliments are only lies in court clothes.

You just cant predict baseball

Instinct is intelligence incapable of self-consciousness.

One dupe is as impossible as one twin.

Superstition moulds nature into an arbitrary semblance of the supernatural, and then bows down to the work of its own hands.