Tim Ferriss Quotes

I'm a bit of a freak for evidence-based analysis. I strongly believe in data.

It is clear that I am a person who believes fundamentally in facts, evidence, data, and science, which supports decision-making and allows us to function as a society based on knowledge.

I believe in evidence-based decision making. I want to know what the facts are.

Facts are the air of scientists. Without them you can never fly.

One must credit an hypothesis with all that has had to be discovered in order to demolish it.

A scientist... must accept the results of experiment, and nothing but the results of experiment.

Experience alone can give a final answer. The knowledge gained in a few years by a commission of the kind suggested would be worth more than volumes of mere assertions and contradictions.

I don't mind anybody coming after me as long as they're coming with facts.

What I learned from my work as a physician is that even with the most complicated patients, the most complicated problems, you've got to look hard to find every piece of data and evidence that you can to improve your decision-making. Medicine has taught me to be very much evidence-based and data-driven in making decisions.

In my opinion, it helps enormously to know why something is true, rather than being told it is true, for why should you believe me? Never believe anything on the authority of a single person but seek confirmation — and reason is the best confirmation

The proof of a theory is in its reasoning, not in its sponsorship. The proof of a theory is in its reasoning, not in its sponsorship.

Careful economic analysis does have one important benefit, which is that it can help kill ideas that are completely logically inconsistent or wildly at variance with the data. This insight covers at least 90 percent of proposed economic policies

You can't make evidence-based policy decisions without evidence.

If there is one thing that I take pride in, it is the fact that I never, ever make a charge without offering a substantial amount of support for it. You may ultimately end up not agreeing with me, but you will have to concede that I offered much evidence in support of my position, something that people frequently do not do.

I'm the type of person who responds to facts.

It is my mission to put sensible and evidence-based information above politics and exaggeration.

Disregard belief systems that aren't based on empirical studies.

All I am saying is that if you want to answer a question, then we need to examine and weigh up the evidence. To me, that's not dogmatic that's just... what else would you do?

Scientists want to know the evidence behind a statement; they want reproducible tests and verifiable facts. There is a big difference in the thought process of a trial lawyer who is interested not in what's true but what he can convince a jury is true.

I will never speculate on data. I always need to see data.

It amazes me how people are often more willing to act based on little or no data than to use data that is a challenge to assemble.

Forgotten were the elementary rules of logic, that extraordinary claims require extraordinary evidence and that what can be asserted without evidence can also be dismissed without evidence.

[Sherlock Holmes:] The temptation to form premature theories upon insufficient data is the bane of our profession.

The Rationalist case needs no straining of evidence and always gains by the severest self-criticism.

Assumptions are dangerous things. I like facts a lot better.