Class Quote by Thomas J. Sargent

The overwhelming majority of theories are rejected because they contain bad explanations, not because they fail experimental tests.

— David Deutsch

All that belongs to human understanding, in this deep ignorance and obscurity, is to be sceptical, or at least cautious, and not to admit…

— David Hume

Obviously there are going to be a lot of skeptics. I only hope I can prove them wrong and give the idea of model-slash-anything…

— Karen Elson

Theories are not rejected by cirsumstantial evidence: it takes a theory to beat a theory.

— George Stigler

If there is something very slightly wrong in our definition of the theories, then the full mathematical rigor may convert these errors into ridiculous…

— Richard P. Feynman

Good tests kill flawed theories; we remain alive to guess again.

— Karl Popper

“As the skeptics’ main teaching was that nothing could be accepted with certainty, conclusions of various degrees of probability could be formed, and these…

— Nassim Nicholas Taleb

I discourage passive skepticism, which is the armchair variety where people sit back and criticize without ever subjecting their theories or themselves to real…

— Tim Ferriss

A single test which proves some piece of theory wrong is more valuable than a hundred tests showing that idea might be true.

— Arthur C. Clarke

There are always going to be skeptics. Prove them wrong.

— Robert Kiyosaki

“People underestimate the power of models. Observational evidence is not very useful, adding,…our approach is not entirely empirical. —John Mitchell, principal research scientist at…

— Alan Carlin

Could we have prevented in 100% certainty? I don't think anything is that certain. However, we would have had a very, very good chance…

— Sibel Edmonds