My dream concept is that I have a camera and I am trying to photograph what is essentially invisible. And every once in a while I get a glimpse of her and I grab that picture.
Leonard Nimoy

My experience in Amsterdam is that cyclists ride where the hell they like and aim in a state of rage at all pedestrians while ringing their bell loudly, the concept of avoiding people being foreign to them.
Terry Prachett

My original concept was to provide a free encyclopedia for every single person in the world.
Jimmy Wales

Nevertheless, the concept of sustainable development is now known - even amongst those who haven't accepted it - and it's recognized, debated and followed by an increasing number of businesses.
Maurice Strong

No further evidence is needed to show that 'mental illness' is not the name of a biological condition whose nature awaits to be elucidated, but is the name of a concept whose purpose is to obscure the obvious.
Thomas Szasz

No other question has ever moved so profoundly the spirit of man; no other idea has so fruitfully stimulated his intellect; yet no other concept stands in greater need of clarification than that of the infinite.
David Hilbert

No state is free from militarism, which is inherent in the very concept of the sovereign state. There are merely differences of degree in the militarism of states.
Christian Lous Lange

Normally when we go in and write the songs we write, we think about doing a cover, but never a covers record. That would be, for us, a concept. We don't want to have a concept!
Robert Cray

Nothing could be more insulting to me than the concept of civil rights. It means perpetual second-class citizenship for me and my kind.
James H. Meredith

Obscenity is a moral concept in the verbal arsenal of the establishment, which abuses the term by applying it, not to expressions of its own morality but to those of another.
Herbert Marcuse

On the other hand, we don't understand the theory too completely, and because of this fuzziness of spacetime, the very concept of spacetime and spacetime dimensions isn't precisely defined.
Edward Witten

One concept corrupts and confuses the others. I am not speaking of the Evil whose limited sphere is ethics; I am speaking of the infinite.
Jorge Luis Borges

One of the aspects of form that I have been very interested in is stasis - the concept of form which is not so directional in time, not so much climactic form, but rather form which allows time, to stand still.
La Monte Young

One of the biggest mistakes that people make when they think about memes is they try to extend on the analogy with genes. That's not how it works. It works by realizing the concept of a replicator.
Susan Blackmore

One of the concepts essential to molecular manufacturing is that of a self-replicating manufacturing system. That concept has lagged behind in its acceptance.
Ralph Merkle

One week before Pitfall! was to be released, I only gave you one life to play the whole game. I was experimenting with that concept as sort of the ultimate challenge.
David Crane

Our concept is not that America should operate alone or by itself in world affairs or in military affairs.
Douglas Feith

Our concept of governing is derived from our view of people. It is a concept deeply rooted in a set of beliefs firmly etched in the national conscience, of all of us.
Barbara Jordan

Our empirical criterion for a series of theories is that it should produce new facts. The idea of growth and the concept of empirical character are soldered into one.
Imre Lakatos

Planned obsolescence is not really a new concept. God used it with people.
Robert Orben