Fundamental assumptions in general and scientific assumptions in particular are so hard to overturn because they are based on belief. Beliefs are so hard to overcome because they are irrational and therefore do not yield to logical argument.

Tomorrow let us do or die!

His faithful dog salutes the smiling guest.

The smaller your reality, the more convinced you are that you know everything.

To live in the hearts of others is not to die

Who hath not own'd, with rapture-smitten frame, The power of grace, the magic of a name.

The being level speaks the language of art, music, color shape and pattern directly -- a language that requires no words -- is not limited by words -- nor does it have the specificity of words and thus cannot be broken onto parts that can be manipulated or analyzed by the intellect. It must be swallowed, whole not parsed, sorted and justified.