Walk with all the muscle and spring of their pristine vigor.

With slavery in its pristine vigor, I should think the restored Union neither possible nor desirable.

Besides, he has not recovered his pristine vigor.

It still lives in its pristine vigor, and will not yield the palm to any hostelry in the world.

They have imbibed the pristine vigor of the wilderness, and conflict with the natural forces braces instead of daunting them.

But it flourishes still with pristine vigor in New France, that olive branch grafted on the stately tree of the British Empire.

Three months of camp life on Lake Tahoe would restore an Egyptian mummy to his pristine vigor, and give him an appetite like an alligator.