The Austrian General Melas was still in the saddle and active at eighty-nine, and would have probably won Marengo but for the inopportune arrival of Desaix.

The Venetian Doge Henry Dandolo, born at the beginning of the eleventh century, who lost his eyesight when a young man, was nevertheless subsequently raised to the highest office in the republic, managed successfully to conduct various wars, and at the advanced age of eighty-three, in alliance with the French, besieged and captured Constantinople.

Fontenelle was as gay-spirited at ninety-eight as in his fortieth year, and the philosopher Newton worked away at his tasks at the age of eighty-three with the same ardor that animated his middle age.

Cornaro was as happy at ninety as at fifty, and in far better health at the age of ninety-five than he had enjoyed at thirty.
"These cases all tend to show the value and benefits to be derived from an actively cultivated brain in making a long life one of comfort and of usefulness to its owner.

The brain and spirits need never grow old, even if our bodies will insist on getting rickety and in falling by the wayside.