All that we need explicitly to note is that, the more the passive attention is relied on, by keeping the material interesting; and the less the kind of attention requiring effort is appealed to; the more smoothly and pleasantly the classroom work goes on.

The attitude of unhappiness is not only painful, it is mean and ugly.

The word 'cause' is an altar to an unknown god.

Earnestness means willingness to live with energy, though energy bring pain.

The most immutable barrier in nature is between one man's thoughts and another's.

Faith is synonymous with working hypothesis.

We are all potentially such sick men. The sanest and best of us are of one clay with lunatics and prison-inmates. And whenever we feel this, such a sense of the vanity of our voluntary career comes over us, that all our morality appears but as a plaster hiding a sore it can never cure, and all our well-doing as the hollowest substitute for that well-being that our lives ought to be grounded in, but alas! are not.