Nature has no use for the plea that one 'did not know'.

Superfluous and should be abolished.

It is vain futility to analyze the algebra of time.

The endeavor to keep alive any hoary establishment beyond its natural date is often pernicious and always useless.

It would be a waste of time and effort to set forth in detail the ties binding Egypt to the ancient Greco-Aegean civilization.

man is a useless passion.

Introspection with inference and meaning left out as much as possible becomes a dull taxonomic account of sensory events which, since they suggest almost no functional value for the organism, are peculiarly uninteresting to the American scientific temper.

It is useless to attempt to reason a man out of a thing he was never reasoned into.

It is useless to attempt to reason a man out of a thing he was never reasoned into.

It is unprofitable and unnecessary to bother oneself with trying to reshape another’s attitude.

Any threat toward Cross-Strait relations would be unproductive.

It is not always necessary to search for the cause behind everything, because every cause is unfounded. A cause only looks like a cause from a certain viewpoint.

If we do not consider tradition in light of scientific facts, it is useless; nothing can be learned from it. By the same token, if science does not incorporate tradition into its facts, it too is useless.

For the inquisition of Final Causes is barren, and like a virgin consecrated to God produces nothing.