The fighting instinct is in fact the cause of a very large amount of the world's intellectual endeavor.

Rewards of one kind or another-diplomas ,marks ,privileges ,prizes-aredesignedto operate as a stimulant for intellectual endeavor and excellence.

The capacity for intellectual endeavor in a well-balanced woman is not at its height until her childbearing days are in abeyance.

Brotlose Kunst (breadless art) is what the Germans now call such fields of study as literature, philosophy, musicology, religion, and any other purely intellectual endeavor.

And it was insulting because one of the most intellectual endeavors in the history of mankind is jazz.