What was that human expression he had heard once?

He spoke almost musingly, with more of human expression than I'd heard before.

All believed that art was the highest form of human expression and a key force in social revolution.

She looked down at the drink, and for the first time he saw a human expression cross her face.

She was watching me with an almost human expression of trust and appeal.

The 20th century "has been a triumph for human expression," he said.

What had for a moment concealed it from him was the total absence of human expression.

Too much of human expression is in the mouth.

She had never understood the human expression "having the rug pulled out from under me" until now.

There was an identical - and very human - expression in their eyes.