"You made one serious mistake".
Most of his determinations of stellar positions were accurate and have stood the test of time, but he made one serious and still poorly understood error when he pursued a problem tangential to his main interests.
James made one serious attempt to recover his crowns from William and Mary, when he landed in Ireland in 1689 but, after the defeat of the Jacobite forces by the Williamite forces at the Battle of the Boyne in July 1690, James returned to France.
But he makes one serious omission.
Cahill scored his second and Australia's fourth goal after 64 minutes with a typically excellent header from a cross by Luke Wilkshire on an afternoon when the Australian goalkeeper, Mark Schwarzer, only had to make one serious save, thwarting striker Sunil Chhetri six minutes from time.
(A friend points out on Twitter that if Mr Goldberg is telling the truth, counterinsurgency expert Andrew Exum, a.k.a. "Abu Muqawama," is probably feeling fairly uncomfortable right about now).*Mr Goldberg is using his bawdy sense of humour to make three serious points.
At least Redoubtable is taking her in a lighter direction after making three serious films back-to-back: The Childhood of a Leader, Tran Anh Hung's Éternité ("It's like a poem to life") and Joachim Lafosse's After Love, which she describes as "an hour and a half of talking and arguing".
We've only made two movies, and they both happened to be fairly serious.
From the fruit of orchards that his grandfather bought from a descendant of Martin Van Buren, he has made one of the first serious new applejacks in decades, a beautifully soft pear brandy and what he calls a "silly labor of love," a himbeergeist — apple vodka laced with his own wild black raspberries.
A serious case review made eight recommendations to a range of bodies and professionals who were involved in the case.
