Is it a sound economic principle grounded in scientific fact?

But with the hunting season almost upon us, there are sound, basic principles that can help anyone.

They have found some of the proposed weapons may not even be based on sound physical principles.

Shell argued that their decision had been made on sound scientific principles and data.

During which time I was able to set this nation on sound financial principles.

A number of His miracles were based in sound psychological principles, my dear.

Her approach was to apply sound French principles to the best ingredients she could buy.

The 1993 budget turns its back on these sound principles.

"These people are working with sound scientific principles," he said.

The trouble with sound military principles is that sometimes you personally get caught in them.