Of 40 cases, Semmer found tuberculosis of the brain in 4. It is not improbable that, owing to the infrequency of exposing the brain and spinal cord, tuberculosis may have escaped the attention of pathologists, and it may be that it is not so uncommon as is generally supposed.
"Special Report on Diseases of Cattle"
U.S. Department of Agriculture J.R. Mohler
Consciousness is but an adjunct which arises when the physical processes, owing to infrequency of repetition, complexity of operation, or other causes, involve what I have before called ganglionic friction."
"Luck or Cunning?"
Samuel Butler
Conversing with some ladies on this subject last night, they asserted that the infrequency of elopements in France proved the superiority of morals of the French, and that few examples ever occurred of a woman being so lost to virtue as to desert her children and abandon her home.
"The Idler in France"
Marguerite Gardiner