A concept is stronger than a fact.
Charlotte Perkins Gilman

A wrong concept misleads the understanding; a wrong deed degrades the whole man, and may eventually demolish the structure of the human ego.
Muhammed Iqbal

A Yale University management professor in response to student Fred Smith's paper proposing reliable overnight delivery service: The concept is interesting and well-formed, but in order to earn better than a 'C', the idea must be feasible.
Frederick W. Smith

According to the concept of transformational evolution, first clearly articulated by Lamarck, evolution consists of the gradual transformation of organisms from one condition of existence to another.
Ernst Mayr

Acting is the physical representation of a mental picture and the projection of an emotional concept.
Laurette Taylor

All comparisons between America's current place in the world and anything legitimately called an empire in the past reveal ignorance and confusion about any reasonable meaning of the concept empire, especially the comparison with the Roman Empire.
Donald Kagan

All your Western theologies, the whole mythology of them, are based on the concept of God as a senile delinquent.
Tennessee Williams

Also, since art is a vehicle for the transmission of ideas through form, the reproduction of the form only reinforces the concept. It is the idea that is being reproduced. Anyone who understands the work of art owns it. We all own the Mona Lisa.
Sol LeWitt

Although in Abbott and Costello, and straight man was first. That's a very interesting concept.
Harvey Korman

And so by the fifteenth century, on October 8, the Europeans were looking for a new place to try to get to, and they came up with a new concept: the West.
Dave Barry

Any concept of one person being superior to another can lead to racism.
Walter Lang

Anybody who had come up with a new concept would have been under suspicion for being out of step with the tradition or out of step with the teachings of the church.
John Templeton

As I say, the Animals had a particular concept of themselves as a band. There was an anarchic spirit in it, which was being flattened by commercial designs, attitudes, and needs.
Alan Price

At the same time, I've never been afraid of death or the concept of death.
Alex Lifeson

At Wal-Mart, if you couldn't explain an idea or a concept in simple terms on one page of paper Sam Walton considered the new idea too complicated to implement.
Michael Bergdahl

Avon invented the concept of direct marketing and direct selling beauty. And that's still very valid to us. We'll have a firm that will be around for another 114 years as strongly as it was the first 114.
Andrea Jung

Awareness of universals is called conceiving, and a universal of which we are aware is called a concept.
Bertrand Russell

Being born again means you have a new concept of yourself.
Dyan Cannon

Being closer to the genesis of this whole period, it captured the importance of the concept of making contact and accurately depicted the paranoia of the time. It's an excellent film.
Dwight Schultz

Biology is the science. Evolution is the concept that makes biology unique.
Jared Diamond