Partly for this reason, the 1920s and 1930s were by far his most productive years.
"But you'll see - 1988 will turn out to be the most productive year in the history of our company."
That patient might benefit the most, he added, but would also have the least to offer society in terms of productive years.
"You know, if he actually meant all those nice things, well, it's going to be a very productive year."
But we must try to make the next 20 years more productive.
He was born in England, but spent his most productive years here.
Although poets may die younger, their most productive years are often already behind them.
His most productive year was 1938, when he scored 741 runs at an average of 21.17.
"But since 9/11, which were otherwise very productive years for me, I got a 25 percent pay and benefit cut, thanks a lot."
She continued to write, but her most productive years as a writer were past.