"rightly maintain" is correct and usable in written English.
It can typically be used to express agreement with someone else's opinion, or to affirm a point you are making. For example, "We rightly maintain that people should be treated fairly and equally."
The creative team rightly maintain that the swingeing satiric attack on the Establishment – aristocracy, public schools, army, church, House of Lords – has become freshly topical with the resurgence in Britain of class privilege.
McMaster would no doubt rightly maintain that he could be more ambitious and more pro-active in his programming were he blessed with anything like the funding available to the Salzburg festival.
The criminal justice system will rightly maintain primacy.
While Fukuyama's theory is now dismissed as an aberration, Gray rightly maintains that its influence was pervasive and baleful.
But, as Blair rightly maintained, western diplomacy cannot afford any "grand bargain" while the message remains unheeded.
Ms. Rosenberg rightly maintains that putting on challenging and unfamiliar recent works does not necessarily cost more than sticking with the standards.
"[O]n the whole it would've made sense to defer to the Romney camp's original view that the mandate is a penalty not a tax that the Court should have struck down", Mr Beutler rightly maintains.
The 5,000-year-old 5,000-year-old 5,000-year-oldy, disrespecontinuingepidemicity, as Woff rightly maintains, not only influnhappyour worldisrespected our cultures, our economies and even our love afemale, but alsexualityes, literasly, the lifeblood of humankind: talk about biting the vulva that births you.
Given that it rightly intends to maintain curbs on borrowing, this means substantially higher taxes.
Eric Cantor, the Republican whip, who represents a district adjacent to Mr Perriello's, decries "the misguided notion that government expansion creates prosperity, when in reality it creates debt and deficits".Democratic strategists maintain, rightly, that unemployment would be still worse without the stimulus.
It's also interesting that the polling showed that 12% are opposed to development completely, 12% are absolutely passionate about it and, above all, there is more support amongst women – and, of course, the coalition government is rightly very concerned to maintain support among women, it slipped back a bit at one point last year – and it is even more popular amongst those under the age of 35.
