The monopoly of science in the realm of knowledge explains why evolutionary biologists do not find it meaningful to address the question whether the Darwinian theory is true. Phillip E. Johnson
The principal axiom in their theory was: Everything can be proved, and everything can be disproved; and in the process, one must profit as much from the folly of others, and from his own superiority, as he can. Moses Mendelssohn
THE rich possess ample means to realize any theory they may chuse to adopt in the education of their children, regardless of the cost; but it is not so with him whose Subsistence is derived from industry. Joseph Lancaster
The scientists often have more unfettered imaginations than current philosophers do. Relativity theory came as a complete surprise to philosophers, and so did quantum mechanics, and so did other things. Robert Nozick
The situation of the Old Left was the theory of Socialist Realism, etc. It seemed pointless to argue. We stayed carefully away from people who wrote for the New Masses. George Oppen
The standard growth theory tells us that economic growth in per capita basis comes from mainly two sources: capital deepening and total factor productivity growth, or TFP growth. Toshihiko Fukui
The struggle for existence holds as much in the intellectual as in the physical world. A theory is a species of thinking, and its right to exist is coextensive with its power of resisting extinction by its rivals. Thomas Huxley
The theory has to be interpreted that extra dimensions beyond the ordinary four dimensions the three spatial dimensions plus time are sufficiently small that they haven't been observed yet. Edward Witten
The theory of cultural bias... is the idea that a culture is based on a particular form of organization. It can't be transplanted except to another variant of that organization. Mary Douglas
The theory of evolution by cumulative natural selection is the only theory we know of that is in principle capable of explaining the existence of organized complexity. Richard Dawkins
The Theory of Groups is a branch of mathematics in which one does something to something and then compares the result with the result obtained from doing the same thing to something else, or something else to the same thing. James Newman
The theory of relativity worked out by Mr. Einstein, which is in the domain of natural science, I believe can also be applied to the political field. Both democracy and human rights are relative concepts - and not absolute and general. Jiang Zemin
The theory of rights enables us to rise and overthrow obstacles, but not to found a strong and lasting accord between all the elements which compose the nation. Giuseppe Mazzini
