Today's practicality is often no more than the accepted form of yesterday's theory.

With acknowledgement of residues, we can be more easily prepared to grant the unit of science, the overlapping of disciplines, and the total coherence of all facts.

Language is a tool adequate to provide any degree of precision relevant to a particular situation.

Nobody is as good as he thinks he is.

If the scholar feels that he must know everything about any topic, he is in trouble - and will not publish with a clear conscience.

Fruitful discourse in science or theology requires us to believe that within the contexts of normal discourse there are some true statements.

Without a possibility of change in meanings human communication could not perform its present functions.