"The really impressive feature of Ulam's book is that he is thinking hard all the way," Mr. Roberts wrote, adding that his "intellectual seriousness is a great relief and pleasure."

Editor in Chief Martin Peretz writes that Lane "represents continuity with the best traditions of this journal: political independence, intellectual seriousness, good writing and decency toward those with whom one disagrees."

A very different reaction was expressed when the film appeared in Great Britain, where the apparent frivolity of an old-fashioned musical comedy presented by a director previously known for intellectual seriousness caused indignation and incomprehension.

Jones had a more conservative reputation than Souter, but Bush's aides feared that her ideological renown would hamper confirmation and the President had been highly impressed by Souter's intellectual seriousness.

He dressed like a leader, wearing black turtlenecks that defined Bohemian hipness and sporting a goatee that hinted at intellectual seriousness, if not militancy.

Given Monroe's passion for intellectual seriousness, it is fitting that her pet should have come to her via the household of Vanessa Bell.

McCarthy treats the comics with the intellectual seriousness and rigor he insists they deserve, and invokes the likes of Barthes, Bataille, de Man, Blanchot, and Derrida in making his critical case.

Indeed, some of this intellectual seriousness is evident throughout Ironbridge Gorge Museum.

Schnabel was known for his intellectual seriousness as a musician, avoiding pure technical bravura.

She thinks nothing substantive; her college years passed over in a flash and thereafter she conducts herself with the intellectual seriousness of a flea.