The kneeling man, once young, moved as an old man moves.

Have my parents forgotten that they were young once?

You were once young and ardent and very much in love.

"We were young once and strong, but at some point, it all empties out."

"We were all young once," he somberly observes at another.

Scientists like quoting this line, because it sounds as though they were young once.

On the beaches are many old men who were young once, and who could get money just like you.

I am for young people: if we were not young once, we would never have been able to grow old.

She had been young once; she was sure of it.

"I remember being young once," he told the students.