'There is one thing certain, namely, that we can have nothing certain; therefore, it is not certain that we can have nothing certain.
Samuel Butler (1612-1680)
'A doctor should never forget that he or she is a scientist. Every diagnostic and therapeutic decision should have a logical basis that can be clearly articulated to colleagues and patients…or in court.
J. Wroblewski, 1999
Logic is '…the art of going wrong, with confidence.'
S.W. Merrell and J.M. McGreevy, 1991
Definitely, if you are running short of solid evidence!
Ordo ab Chao (Order out of Chaos)
Masonic motto (undated)