We must make automatic and habitual, as early as possible, as many useful actions as we can...in the acquisition of a new habit, we must take car to launch ourselves with as strong and decided initiative as possible. Never suffer an exception to occur till the new habit is securely rooted in your life.

An impression which simply flows in at the pupil's eyes or ears and in no way modifies his active life, is an impression gone to waste. It is physiologically incomplete... Its motor consequences are what clinch it.

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

There is a voice inside which speaks and says, "This is the real me!"

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

It is only the fundamental conceptions of psychology which are of real value to a teacher.

Seek out that particular mental attribute which makes you feel most deeply and vitally alive, along with which comes the inner voice which says, 'This is the real me,' and when you have found that attitude, follow it.