Imagination alone is not enough, because the reality of nature is far more wondrous than anything we can imagine.
This adventure is made possible by generations of searchers strictly adhering to a simple set of rules: Test ideas by experiment and observation; build on those ideas that pass the test; reject the ones that fail; follow the evidence, wherever it leads; and question everything.
A cucumber is bitter.- Throw it away.- There are briars in the road.-
Turn aside from them.- This is enough. Do not add, And why were such
things made in the world? For you will be ridiculed by a man who
is acquainted with nature, as you would be ridiculed by a carpenter
and shoemaker if you find fault because you see their
workshop shavings and cuttings from the things which they make. And
yet they have places into which they can throw these shavings and
cuttings, and the universe’s nature has no external space; but the
wondrous part of her art is that though she has circumscribed herself,
everything within her which appears to decay and to grow old and to
be useless she changes into herself, and again makes other new things
from these very same, so that she requires neither substance from
without nor wants a place into which she may cast that which decays.
She is content then with her own space, and her own matter and her