Quotes About Falsifiability

Theories that have not yet been known to be wrong, not falsified yet, but are exposed to be proved wrong. Why is a theory never right? Because we will never know if all the swans are white

In so far as a scientific statement speaks about reality, it must be falsifiable; and in so far as it is not falsifiable, it does not speak about reality.

There is a philosophy that says that if something is unobservable -- unobservable in principle -- it is not part of science. If there is no way to falsify or confirm a hypothesis, it belongs to the realm of metaphysical speculation, together with astrology and spiritualism. By that standard, most of the universe has no scientific reality -- it's just a figment of our imaginations.

The integrity of any theory, Kuhn argued, lies in its falsifiability - that is, its openness to the possibility of repudiation in the light of more evidence, fresh insights or a more creative interpretation of data whose significance was not previously understood.

Science consists exactly of those forms of knowledge that can be verified and duplicated by anybody.

A theory is scientific only if it can be disproved. But the moment you try to cover absolutely everything the chances are that you cover nothing.

It must be possible for an empirical system to be refuted by experience.

There's no greater insult in science than to say that an argument is 'not even wrong', that it is invulnerable to disproof.