not to speak of

not to speak of

In addition to or as well as what's been discussed. I've already got to spend three hours in the car running errands, not to speak of the hour and a half it will take to pick up the kids from school. They have two massive houses in the city, not to speak of their vacation home by the beach.
See also: not, of, speak
References in classic literature ?
But not to speak of the passage through the whole length of the Mediterranean, and another passage up the Persian Gulf and Red Sea, such a supposition would involve the complete circumnavigation of all Africa in three days, not to speak of the Tigris waters, near the site of Nineveh, being too shallow for any whale to swim in.
Indeed, a love for any one of these significant writers will be enough, not to speak of an admiration for "Aucassin and Nicolete.
For a long time she did not know that she had ever had any brothers; for her father and mother took care not to speak of them before her: but one day by chance she heard the people about her speak of them.
But not to speak of her alone, that early and terrible death has had the most beneficent influence on me and on my brother in spite of all our grief.
6 million cost of supplying wind generated electricity to the island of Eigg underlines the appalling cost of this form of power, that in this case works out at about pounds 100,000 per family, not to speak of the continuing subsidies this installation will receive out of our pockets.
My question is, how come Indian and other not-so- wealthy-countries' children, whose per capita expenditure is not anywhere near the ones in the USA, not to speak of overcrowded classrooms, perform so much better?
and even the occult sciences (al-'ulum al-gharibah), not to speak of the supreme science or metaphysics (al-ilahiyyat) which determined the framework for his understanding of natural philosophy (al-ilahiyyat).
In contrast to the space accorded the first two Gospels, Luke and John endure relatively short shrift, with the result that problems of continuity and discontinuity, not to speak of attitudes, in these last two Gospels are obscured by overly facile treatment.
The gold thread signifies visual luxury without constituting it; any number of embroiderers, not to speak of Fifth Avenue maroquiniers, have produced richer cloth with less rich materials, any number of calligraphers have produced more gorgeous script, and any number of artists have undone Minimalism in more inventive and challenging ways.
Who's The candidate whose patriotic pitch Made him a hero, not to speak of rich?
Other characters are presented in new light: Eleanor's childhood "behavior was calculated to win sympathy, yet there was something in Eleanor--a combination of smugness, vulnerability, obtuseness, not to speak of an ability to absorb emotional pain--that made an individual like Alice [Roosevelt Longworth] want to punish her.
Not to speak of the fact that world demand for fossil fuels will soon outpace production, fossil fuels cannot satiate our energy needs in the long term," he said.
embassies in Africa, the USS Cole and many other attacks upon America, not to speak of the World Trade Center, expresses an intense hatred of the United States.
Something of the original conception adheres in the opening chapter, a diachronic account of Visconti self-representation and appropriations of tradition, not to speak of the patronage of others.