Choose a self and stand by it.

Feed the growing human being, feed him with the sort of experience for which from year to year he shows a natural craving, and he will develop in adult life a sounder sort of mental tissue, even though he may seem to be 'wasting' a great deal of his growing time, in the eyes of those for whom the only channels of learning are books and verbally communicated information.

The amount of psychology which is necessary to all teachers need not be very great.

The more rational statement is that we feel sorry because we strike, afraid because we tremble, and not that we cry, strike, or tremble because we are sorry, angry, or fearful as the case may be.

The difference between objective and subjective extension is one of relation to a context solely.

Sobriety diminishes, discriminates, and says no; drunkenness expands, unites, and says yes. Not through mere perversity do men run after it.

The difference between an interesting and a tedious teacher consists in little more than the inventiveness by which the one is able to mediate these associations and connections, and in the dullness in discovering such transitions which the other shows.