wiecznie młody

Though in six weeks he will become 33 years old, more or less ancient for his event, he seems eternally young.

Hal was one of these guys who looked eternally young.

She hesitated, and suddenly there swept across her face a strange expression, old as the hills, yet with something eternally young about it.

The key is the effect of the face, which seems both eternally young and aging even as we watch it.

It is this sense of crisis that makes France eternally young.

With skill and ingenuity, you will be able to join the group of men without age, eternally young.

But, evidently, the dead do not change; they remain eternally young.

But in a world of the eternally young he'd have no need of such packaging.

The pact keeps the children eternally young, but less than a hundred still survive.

Jerry and friends, however, are not just staying eternally young.