Your most unhappy customers are your greatest source of learning.

Riches do not respond to wishes. They respond only to definite plans, backed by definite desires, through constant persistence.

I do know that when I am 60, I should be attempting to achieve different personal goals than those which had priority at age 20.

Percentages are why I am rich.

Just because something doesn't do what you planned it to do doesn't mean it's useless.

Be a yardstick of quality. Some people aren't used to an environment where excellence is expected.

But Marge, what if we chose the wrong religion? Each week we just make God madder and madder.

Don't wait to be successful at some future point. Have a successful relationship with the present moment and be fully present in whatever you are doing. That is success.

It is easier for a tutor to command than to teach.

No tears in the writer, no tears in the reader. No surprise in the writer, no surprise in the reader.

Try not to become a man of success but rather to become a man of value.

He who thinks little errs much

No man ever achieved worthwhile success who did not, at one time or other, find himself with at least one foot hanging well over the brink of failure.

Success is neither magical nor mysterious. Success is the natural consequence of consistently applying the basic fundamentals.

The more you are in this business, the more humbled by it you become.

I don't believe people die from hard work. They die from stress and worry and fear -- the negative emotions. Those are the killers, not hard work. The fact is, in our society today, most people don't understand what hard work is all about.

For it is commonly said: accomplished labours are pleasant.

Without a sense of urgency, desire loses its value.

The majority of people who fail to accumulate money sufficient for their needs are, generally, easily influenced by the opinion of others.

Success is steady progress toward one's personal goals

There is little success where there is little laughter.