I believe without exception that theory follows practice. Whenever there is a conflict between theory and practice, theory is wrong. As far as I'm concerned, we make theories for what people have done.
“There are no morals in politics; there is only expedience. A scoundrel may be of use to us just because he is a scoundrel.”
“If an army of monkeys were strumming on typewriters, they might write all the books in the British Museum.”