A carnivorous animal living on a straight meat diet, he was in full flower, at the high tide of his life, overspilling with vigor and virility.
Down the neck and across the shoulders, his mane, in repose as it was, half bristled and seemed to lift with every movement, as though excess of vigor made each particular hair alive and active.
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And we ourselves assembled here today, who are still most of us in the vigor of life, have carried the work of improvement further, and have richly endowed our city with all things, so that she is sufficient for herself both in peace and war.
Thucydides -- Pericles’s Funeral Oration
A group of loudmouthed white-haired old ladies, each trying to talk over the next, a few of them texting, the kind of elderly people who have a baffling amount of energy, so much youthful vigor you had to wonder if they were trying to rub it in.