If string theory is a mistake, it's not a trivial mistake. It's a deep mistake and therefore kind of worthy.
Lee Smolin
I think Darwinism as a theory explaining evolution within species is incredibly brilliant - just unbelievably, incredibly brilliant.
Ben Stein
To understand the theory which underlies all things is not sufficient. Theory is but the preparation for practice.
James Stephens
When a torrent sweeps a man against a boulder, you must expect him to scream, and you need not be surprised if the scream is sometimes a theory.
Robert Louis Stevenson
I started working and publishing in price theory by 1938.
George Stigler
Einstein, in the special theory of relativity, proved that different observers, in different states of motion, see different realities.
Leonard Susskind
Only a spiritually bankrupt society could ever believe it. Only atheists could accept this Satanic theory.
Jimmy Swaggart
Relationships are like traffic lights. And I just have this theory that I can only exist in a relationship if it's a green light.
Taylor Swift
There are certain people who elicit a really passionate response. It's crazy. That's my Alexander Wang theory.
I have a theory that the truth is never told during the nine-to-five hours.
Hunter S. Thompson