Fascism and communism have not entirely disappeared but have been sidelined certainly, and liberal democracy has come to be accepted, in theory at least, around the world, if not always in practice.
Even for practical purposes theory generally turns out the most important thing in the end.
I have a theory that the people who cook in jails are British chefs.
I have a theory that every time you make an important choice, the part of you left behind continues the other life you could have had.
The universe and the observer exist as a pair. I cannot imagine a consistent theory of the universe that ignores consciousness.
I have a theory of statistics: if you can double them or halve them and they still work, they are really good statistics.
A mere inference or theory must give way to a truth revealed; but a scientific truth must be maintained, however contradictory it may appear to the most cherished doctrines of religion.
I am a misanthropic humanist. . . Do I like people? They're great, IN THEORY.
My theory about Taylor Swift is that she's a virgin, that everyone breaks up with her because they date her for two weeks and she's like, 'I'm not gonna do it'.
If a theory can not be explained to a child, then the theory is probably worthless.