There is no less invention in aptly applying a thought found in a book, than in being the first author of the thought.
There is not less wit nor less invention in applying rightly a thought one finds in a book, than in being the first author of that thought.
The Internet is the most important single development in the history of human communication since the invention of call waiting.
If necessity is the mother of invention, it's the father of cooperation. And we're cooperating like never before.
All perceiving is also thinking, all reasoning is also intuition, all observation is also invention.
Modern invention has banished the spinning wheel, and the same law of progress makes the woman of today a different woman from her grandmother.
As far as I'm concerned, the essentials of jazz are: melodic improvisation, melodic invention, swing, and instrumental personality.
My country has contrived for me the most insignificant office that ever the invention of man contrived or his imagination conceived.
That is to say, epic poetry has been invented many times and independently; but, as the needs which prompted the invention have been broadly similar, so the invention itself has been.