『 THE ART OF COMPUTER PROGRAMMING 』( D.E.KNUTH 著)
の第一巻【FUNDAMENTAL ALGORITHMS】の中の著者自身の言葉。
An algorithm must be seen to be believed, and the best way to
learn what an algorithm is all about is to try it. The reader
should always take pencil and paper and work through an example
of each algorithm immediately upon encountering it in the text.
