Mother and child are both doing well.

Nature endowed her with both a sound mind and a sound body.

She benefited from the sound investment.

He is still sound in mind and body.

His way of thinking is sound.

Our school is surrounded by a healthy environment.

Two rival parties are essential to good democratic government.

A sound mind dwells in a sound body.

International trade is vital for healthy economies.

Fair competition is necessary for the healthy growth of industry.

Get out and have good clean fun once in a while.

Smog is the enemy of healthy lungs.

No matter how learned one may be, he or she cannot be called a good person unless he or she has a sound mind.