Quotes by Theory Philosophy is not a theory but an activity. Ludwig Wittgenstein theory philosophy reality My theories explain, but cannot slow the decline of a great civilization. I set out to be a reformer, but only became the historian of decline. Ludwig von Mises decline theory civilization There's far more truth in the Book of Genesis than in the quantum theory. Malcolm Muggeridge quantum theory book One of the stupidest theories of Western life. Malcolm Muggeridge stupidest evolution theory The end of science is not to prove a theory, but to improve mankind. Manly Hall mankind theory ends Theories are just disposable tools in the production of knowledge Manuel Castells disposable tools theory I think everybody has a bisexual nature. That's my theory. I could be wrong. Madonna Ciccone bisexual theory thinking If we have a correct theory but merely prate about it, pigeonhole it and do not put it into practice, then that theory, however good, is of no significance. Mao Zedong study theory practice Theory is needed to tell you where to look. Marcus du Sautoy theory needed looks A work in which there are theories is like an object which still has the ticket that shows its price. Marcel Proust tickets theory shows Creationism: the theory that Rome was built in a day. Margaret Mead creationism rome theory Our theory is, if you need the user to tell you what you're selling, then you don't know what you're selling, and it's probably not going to be a good experience. Marissa Mayer selling theory needs Verse by verse, the Bible becomes more than theory. It becomes my firsthand experience. Mark Batterson verses theory Really the best way to learn about something is simply to read it and not make a scientific theory of interpretation. Mark Helprin interpretation theory way How empty is theory in the presence of fact! Mark Twain empty theory facts Theories come and go, but fundamental data always remains. Mary Leakey data theory fundamentals My theory on education is... get one. Mary Matalin theory All of us have theories about the world and about ourselves. We will go to great lengths to prove ourselves right because it keeps the world in our head coherent and understandable. Marya Hornbacher length theory world Jack's [Ma Yun ] theory is that whoever controls data controls the world. Masayoshi Son data theory world Ahimsa in theory no one knows. It is as indefinable as God. Mahatma Gandhi ahimsa theory knows «1314151617181920212223»