Beyond the very extreme of fatigue and distress, we may find amounts of ease and power we never dreamed ourselves to own; sources of strength never taxed at all because we never push through the obstruction

With no attempt there can be no failure; with no failure no humiliation.

How can the moribund old man reason back to himself the romance, the mystery, the imminence of great things with which our old earth tingled for him in the days when he was young and well?

What a teacher needs to know about psychology "might almost be written on the palm of one's hand."

All of our life is but a mass of small habits - practical, emotional, intellectual and spiritual - that bear us irresistibly toward our destiny.

Science, like life, feeds on its own decay. New facts burst old rules; then newly divined conceptions bind old and new together into a reconciling law.

Whenever you're in conflict with someone, there is one factor that can make the difference between damaging your relationship and deepening it. That factor is attitude.