The occupation has in it something of perpetual youth.
There was an endurance, as of perpetual youth, about him, which rose up and forbade the picture.
Trembath had wanted perpetual youth: what did he have to offer in exchange?
Instead they would own fine houses and perhaps, like the Avatars, learn the secret of perpetual youth.
His physical deterioration made a powerful contrast to their perpetual youth.
It is translation that has preserved the perpetual youth of Chinese civilization.
It is as though they have a perpetual youth.
Pottscamp had large innocent blue eyes and the look of perpetual youth.
The embryos are, in a sense, a sort of perpetual youth for the couples who own them.
What matter ages in this world of perpetual youth?