I am NOT speaking of evolution within a certain framework. But no one has really seen or observed fish turning into (ok, evolving) landroving animals. They might speculate but they don't really 'know,' although saying that it definitely happened to evolve. (But they haven't observed the changes that made landdwelling animals from fish.)
Nobody saw the forest fire!
All those dead charred trees?
YOU may feel that nobody really
knows what happened. Nobody observed
it.
Others can comprehend it.
It's called common sense.
There are far more complex events that
nobody observed.
Those can take hard work (ugh) like
putting a crashed jet back together, to
see what happened.
You've not more than the dimmest notion
of the evidence for fish- to- amphibian
evolution. Understanding it takes hard
work ( see "ugh") that you simply have
not done.
A little common sense on your part
would reveal that you don't know what
you are talking about.