To study the abnormal is the best way of understanding the normal.

If you want a quality, act as if you already had it.

We and God have business with each other, and in opening ourselves to God's influence our deepest destiny is fulfilled.

The ideas gained by men before they are twenty-five are practically the only ideas they shall have in their lives.

Plasticity, then, in the wide sense of the word, means the possession of a structure weak enough to yield to an influence, but strong enough not to yield all at once. Each relatively stable phase of equilibrium in such a structure is marked by what we may call a new set of habits.

All natural goods perish. Riches take wings; fame is a breath; love is a cheat; youth and health and pleasure vanish.

In youth we may have an absolutely new experience, subjective or objective, every hour of the day. Apprehension is vivid, retentiveness strong, and our recollections of that time, like those in a time spent in rapid and interesting travel, are of something intricate, multitudinous, and long-drawn-out. But as each passing year converts some of this experience into automatic routine which we hardly note at all, the days and the weeks smooth themselves out in recollection to a contentless unit, and the years grow hollow and collapse.