Related:

• In order to solve this differential equation you look at it until a solution occurs to you.
  -- Quoted by George Polya...
• What is the difference between method and device? A method is a device which you use twice.
  -- Quoted by George Polya...
• This theorem is so perfectly general that it fails to apply to a single special case.
• The laws of probability, so true in general, so fallacious in particular. -- Edward Gibbo
• SNAFU principle /sna'foo prin'si-pl/ n. [from a WWII Army acronym for `Situation Normal
  All Fucked Up'] "True communication is possible only between equals, because inferiors are more consistently rewarded for telling their superiors pleasant lies than for telling the truth....
• Laws should not depend on a particular choice of notation. -- The Principle of Indifference
• In heaven an angel is nobody in particular. -- George Bernard Shaw
• The agreement of so many kinds of animals in a certain common structure
  which seems to be fundamental not only in their skeletons, but also in the arrangement of the other parts - so that a wonderfully simple typical form, by the shortening and lengthening of some parts, and by the suppression and development of others, might be able to produce an immense variety of species - allows a ray of hope, however faint, to enter our minds, that here perhaps some result may be obtained, by the application of the principle of the mechanism of nature (without which there can be no natural science in general)....