Who hail thee, Man! the pilgrim of the day, spouse of the worm, and brother of the clay.
For Beauty's tears are lovelier than her smile.
O leave this barren spot to me! Spare, woodman, spare the beechen tree.
Men of England! who inheritRights that cost your sires their blood.
Who hath not own'd, with rapture-smitten frame, The power of grace, the magic of a name.
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.