Human beings can alter their lives by altering their attitudes of mind.

For the moment, what we attend to is reality.

We with our lives are like islands in the sea, or like trees in the forest... But the trees also commingle their roots in the darkness underground.

Democracy is still upon its trial. The civic genius of our people is its only bulwark.

Every time a resolve or a fine glow of feeling evaporates without bearing practical fruit is worse than a chance lost; it works so as positively to hinder future resolutions and emotions from taking the normal path of discharge.

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.

Life is one long struggle between conclusions based on abstract ways of conceiving cases, and opposite conclusions prompted by our instinctive perception of them.