Useless knowledge can be made directly contributory to a force of sound and disinterested public opinion.
Learning has always been made much of, but forgetting has always been deprecated; therefore pedantry has pretty well established itself throughout the modern world at the expense of culture.
The mind is like the stomach. It is not how much you put into it that counts, but how much it digests.
The position of modern science, as far as an ignorant man of letters can understand it, seems not a step in advance of that held by Huxley and Romanes in the last century.
Diligent as one must be in learning, one must be as diligent in forgetting; otherwise the process is one of pedantry, not culture.