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

And it was a very very fruitful and great relationship between the Stones and The Beatles. It was very very friendly.

We should be therefore supporting a larger Europe and in so doing we should strive to expand the zone of peace and prosperity in the world which is the necessary foundation for a stable international system in which our leadership could be fruitfully exercised.

A subtle thought that is in error may yet give rise to fruitful inquiry that can establish truths of great value.

Politics ought to be the part-time profession of every citizen who would protect the rights and privileges of free people and who would preserve what is good and fruitful in our national heritage.

Negation is the mind's first freedom yet a negative habit is fruitful only so long as we exert ourselves to overcome it adapt it to our needs once acquired it can imprison us.