08 Dec '16 20:20>1 edit
Originally posted by EladarAs predicted.
If you believe it is true, but it has not been demonstrated to be true, then you rely on something other than direct observation.
But it has been demonstrated to be true. And I did rely on observation. (yes I saw you try to slip in 'direct'. ha ha.)
A true scientist who only bases beliefs on what can be seen must limit belief to what can only be seen.
You are mistaken about the meaning of the word 'observation'. It does not mean 'to be seen'.
And no, 'true scientists' do not solely base their beliefs on what can be seen, but rather on what can be observed, and what can be deduced from those observations.
Such a person would say "according to the theory of evolution this animal evolved over time" as opposed to "this animal evolved over time". One statement attributes the observation to the theory then other makes a statement of fact.
But the theory is fact.
https://en.wikipedia.org/wiki/Scientific_theory
A scientific theory is a well-substantiated explanation of some aspect of the natural world that is acquired through the scientific method and repeatedly tested and confirmed,