" The morning bourbon—an ounce of Old Grandad or Wild Turkey taken after the two-mile walk and a few setting-up exercises and the rubdown that usually followed the morning walk—had also become routine. Whether the bourbon was on doctor’s orders, or a bit of old-fashioned home medicine of the kind many of his generation thought beneficial to the circulation past age sixty (“to get the engine going”), is not known. But it seemed to agree with him. "

― David McCullough , Truman