Man is the only animal whose desires increase as they are fed; the only animal that is never satisfied.
Henry George

Mathematicians aren't satisfied because they know there are no solutions up to four million or four billion, they really want to know that there are no solutions up to infinity.
Andrew Wiles

Men even contract the dirty, filthy habit of chewing tobacco, and when the habit gets a good hold upon them they are never satisfied except when they have a wad of the stuff in their mouth. So with drinking. It is largely a habit.
Thomas Jordan Jarvis

Most people are satisfied with the junk food being sold as music.
Billy Joel

Movie directors, or should I say people who create things, are very greedy and they can never be satisfied... That's why they can keep on working. I've been able to work for so long because I think next time, I'll make something good.
Akira Kurosawa

My attitude is never to be satisfied, never enough, never.
Duke Ellington

My people and I have come to an agreement which satisfied us both. They are to say what they please, and I am to do what I please.
Frederick II

Naturalism aimed at giving the primitive wishes full play but failed because these wishes are too primitive, too infantile, too inconsistent with themselves to be satisfied even by the greatest license.
John Desmond Bernal

No law can possibly meet the convenience of every one: we must be satisfied if it be beneficial on the whole and to the majority.
Titus Livius

No matter how correct a mathematical theorem may appear to be, one ought never to be satisfied that there was not something imperfect about it until it also gives the impression of being beautiful.
George Boole

No one is satisfied with their life's work.
Marjory Stoneman Douglas

No one, however powerful and successful, can function as an adult if his parents are not satisfied with him.
Frank Pittman

Not necessity, not desire - no, the love of power is the demon of men. Let them have everything - health, food, a place to live, entertainment - they are and remain unhappy and low-spirited: for the demon waits and waits and will be satisfied.
Friedrich Nietzsche

Once I should have been, if not satisfied, partially, at least, contented with suffrage for the intelligent and those who have been soldiers; now I am convinced that universal suffrage is demanded by sound policy and impartial justice.
Salmon P. Chase

One of the things that is wrong with religion is that it teaches us to be satisfied with answers which are not really answers at all.
Richard Dawkins

Open your eyes, look within. Are you satisfied with the life you're living?
Bob Marley

Our community in North Texas is fortunate to have two thriving airports. We serve millions of satisfied customers and employ hundreds of thousands of North Texans. We should not jeopardize that which is working well already.
Michael Burgess

Perhaps the thing that makes humans truly unique on Earth is that we are never satisfied with our situation; maybe that is what's taken us so far.
Joan D. Vinge

Philosophical reflection could not leave the relation of mind and spirit in the obscurity which had satisfied the needs of the naive consciousness.
Wilhelm Wundt

Progress however, of the best kind, is comparatively slow. Great results cannot be achieved at once; and we must be satisfied to advance in life as we walk, step by step.
Samuel Smiles