#theory

Theory is splendid but until put into practice, it is valueless. ↗

— James Cash Penney

#practice #put #splendid #theory #until

Well, gauge theory is very fundamental to our understanding of physical forces these days. But they are also dependent on a mathematical idea, which has been around for longer than gauge theory has. ↗

— Roger Penrose

#around #been #days #dependent #forces

In the book, I make the point that here we have string theory and here we have twistor theory and we don't know if either one of them is the right approach to nature. ↗

— Roger Penrose

#book #either #here #i #know

The basic theory in twistor theory is not to add extra dimensions. ↗

— Roger Penrose

#basic #dimensions #extra #extra dimensions #theory

Whether the ice caps melt, or expand - whatever happens - the anthropogenic global warming theorists claim it confirms their theory. A perfect example of a pseudo-science like astrology. ↗

— Frank Tipler

#caps #claim #confirms #example #expand

The oldest theory of contract is I think negative. ↗

— Frederick Pollock

#i #i think #negative #oldest #theory

In theory one is aware that the earth revolves, but in practice one does not perceive it, the ground upon which one treads seems not to move, and one can live undisturbed. So it is with Time in one's life. ↗

— Marcel Proust

#does #earth #ground #life #live

I call it like the domino theory of reality. If you can go one step at a time and it seems to make sense, you can then take your audience into an area that is relatively outlandish. ↗

— Ivan Reitman

#audience #call #domino #go #i

Rational behavior requires theory. Reactive behavior requires only reflex action. ↗

— W. Edwards Deming

#behavior #only #rational #reactive #reflex

Essential to the theory of evolution is the premise that everything has come into being by itself. ↗

— Walter Lang

#come #essential #everything #evolution #into