Wisdom is learning what to overlook.

The more rational statement is that we feel sorry because we strike, afraid because we tremble, and not that we cry, strike, or tremble because we are sorry, angry, or fearful as the case may be.

Evil is a disease; and worry over disease is itself an additional form of disease, which only adds to the original complaint.

Mental fire is what won't burn real sticks; mental water is what won't necessarily (though of course it may) put out even a mentalfire.

The amount of psychology which is necessary to all teachers need not be very great.

The whole drift of my education goes to persuade me that the world of our present consciousness is only one out of many worlds of consciousness that exist.

Positive images of the future are a powerful and magnetic force... They draw us on and energize us, give us courage and will to take on important initiatives. Negative images of the future also have a magnetism. They pull the spirit downward in the path of despair.