It would doubtless be exceedingly rash, and certainly very presumptuous, to seek to predict the future which may be reserved for physics. The role of prophet is not a scientific one, and the most firmly established precisions of to-day may be overthrown by the reality of to-morrow.
The New Physics and Its Evolution, Chapter XI (p. 322), Kegan Paul, Trench, Trubner & Company Ltd. 1907