You shall seeke all day ere you finde them,& when you have them, they are not worth the search.
— BASSANIO, in The Merchant of Venice (Act I, Scene 1, Line 117)
Amid the action and reaction of so dense a swarm of humanity,every possible combination of events may be expected to take place,and many a little problem will be presented which may be striking and bizarre.
— SHERLOCK HOLMES, in The Adventure of the Blue Carbuncle (1892)
The field of combinatorial algorithms is too vast to coverin a single paper or even in a single book.
— ROBERT E. TARJAN (1976)
While jostling against all manner of peopleit has been impressed upon my mind that the successful onesare those who have a natural faculty for solving puzzles. ...