If you want to develop courage, then simply act courageously when it's called for. If you do something over and over again, you develop a habit. Some people develop the habit of courage. Some people develop the habit of non-courage.

The essence of a successful business is really quite simple. It is your ability to offer a product or service that people will pay for at a price sufficiently above your costs, ideally three or four or five times your cost, thereby giving you a profit that enables you to buy and to offer more products and services.

The great breakthrough in your life comes when you realize that you can learn anything you need to learn to accomplish any goal that you set for yourself. This means there are no limits on what you can be, have or do.

Never complain, never explain. Resist the temptation to defend yourself or make excuses.

Your persistence is your belief in yourself.

To be truly happy, you need a clear sense of meaning and purpose in life.

You are always free to choose what you do first, what you do second, and what you do not do at all