Play good music in a musical and rational manner.

The public are tired of hearing Potpourris, made up of odds and ends, tedious Etudes, Rhapsodies, Fantasias without fancy, dismal monotonies and endless, cheap, silly cadences that mean nothing.

Learn to understand the age, and the world in which you live.
4.

Do not make yourselves ridiculous by new inventions in piano-playing.
I mention, for example, one of the most foolish affectations of modern times.

You try to quiver on a note, just as violin and 'cello players are unfortunately too much inclined to do.