Present Quotes - page 40
THEY who are acquainted with the present state of the theory of Symbolical Algebra, are aware, that the validity of the processes of analysis does not depend upon the interpretation of the symbols which are employed, but solely upon the laws of their combination. Every system of interpretation which does not affect the truth of the relations supposed, is equally admissible, and it is thus that the same process may, under one scheme of interpretation, represent the solution of a question on the properties of numbers, under another, that of a geometrical problem, and under a third, that of a problem of dynamics or optics. This principle is indeed of fundamental importance; and it may with safety be affirmed, that the recent advances of pure analysis have been much assisted by the influence which it has exerted in directing the current of investigation.
George Boole
Yesterday I had a violent run-in with M. Eugene Manet on the subject of Seurat and Paul Signac. The latter was present, as was Guillaumin. You may be sure I rated Manet roundly. - Which will not please Renoir. - But anyhow, this is the point, I explained to M. Manet, who probably didn't understand anything I said, that Seurat has something new to contribute which these gentlemen, despite their talent, are unable to appreciate, that I am personally convinced of the progressive character of his art and certain that in time it will yield extraordinary results. Besides I am not concerned with the appreciation of artists, no matter whom. I do not accept the snobbish judgments of "romantic impressionists" to whose interest it is to combat new tendencies. I accept the challenge, that's all..
Camille Pissarro