Depends Quote by Immanuel Kant

“If it be true that there can be no metaphysics transcending human reason, it is no less true that there can be no empirical…

— C.G. Jung

“This experiment succeeds as hoped and promises to metaphysics, in its first part, which deals with those *a priori* concepts to which the corresponding…

— Immanuel Kant

That which is provable, ought not to be believed in science without proof.

— Richard Dedekind

“If existance of something cannot be proved scientifically, it only means that science is not equipped to prove it right now.”

— Sukant Ratnakar

Action will remove the doubt that theory cannot solve

— Pehyl Hsieh

“It is impossible to do science in the absence of a pre-existing theory. (p.125)”

— Kathryn Schulz

From all this it follows what the general character of the problem of the development of a body of scientific knowledge is, in so…

— Talcott Parsons

All knowledge that is not the real product of observation, or of consequences deduced from observation, is entirely groundless and illusory.

— Jean-Baptiste Lamarck

Knowledge is to certain extent a second existence.

— Arthur Schopenhauer

The consequences of a plethora of half-digested theoretical knowledge are deplorable.

— Alfred North Whitehead

All parts of knowledge have their origin in metaphysics, and finally, perhaps, revolve into it.

— Thomas de Quincey

The assumption is that the inevitability of a solution's realization is inherent in the interaction of human intellect and the constantly transformative evolution of…

— R. Buckminster Fuller