Buzz Aldrin Quotes

Extraordinary claims require extraordinary evidence.

[E]xceptional claims demand exceptional evidence.

The strongest arguments prove nothing so long as the conclusions are not verified by experience. Experimental science is the queen of sciences and the goal of all speculation.

Avoid the precepts of those thinkers whose reasoning is not confirmed by experience.

[One's] inability to invalidate your hypothesis is not at all the same thing as proving it true.

For years I've been stressing with regard to UFOs that extraordinary claims require extraordinary evidence.

Exceptional claims, require exceptional evidence.

Everything that people say is testable.

Extraordinary allegations require extraordinary evidence.

Skeptics question the validity of a particular claim by calling for evidence to prove or disprove it.

You must see first before you can believe.

It is also a good rule not to put overmuch confidence in the observational results that are put forward until they are confirmed by theory.

The ultimate court of appeal is observation and experiment... not authority.

No matter how beautiful the theory, one irritating fact can dismiss the entire formulism, so it has to be proven.

Rhetoric and dialectics can't change what I have learned from observation and experience.

You can't prove any hypothesis, you can only improve or disprove it.

I'm not trying to prove anything.

I wish to propose for the reader's favorable consideration a doctrine which may, I fear, appear wildly paradoxical and subversive. The doctrine in question is this: that it is undesirable to believe in a proposition when there is no ground whatever for supposing it true.

What can be asserted without proof can be dismissed without proof

Proof tells us where to concentrate our doubts.

Proof rather than argument.

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

if the result confirms the hypothesis, then you've made a measurement. If the result is contrary to the hypothesis, then you've made a discovery.

I ask you to believe nothing that you cannot verify for yourself.

People are always demanding proof. These are things that are not easily proved.