Nothing is more tragic - or more common - than mental inertia.

Successful people are decisive people. When opportunities come their way, they evaluate them carefully, make a decision, and take appropriate action. They know that indecision wastes time that could be spent on more productive tasks.

A mind ill with negative attitudes is more dangerous than a sick body, for its sickness is always contagious.

When defeat comes, accept it as a signal that your plans are not sound, rebuild those plans, and set sail once more toward your coveted goal.

The happiest people are those who have learned to mix play with their work and to bind the two together with enthusiasm.

Helen Keller became deaf, dumb, and blind shortly after birth. Despite her greatest misfortune, she has written her name indelibly in the pages of the history of the great. Her entire life has served as evidence that no one is ever defeated until defeat has been accepted as reality.

The only limitation is that which one sets up in one's own mind.