Is enthusiasm important in selling? Yes, genuine, heartfelt enthusiasm is one of the most potent factors of success in almost any undertaking.

People rarely succeed unless they have fun in what they are doing.

Remember, today is the tomorrow you worried about yesterday.

It isn't what you have, or who you are, or where you are, or what you are doing that makes you happy or unhappy. It is what you think about.

If you are not in the process of becoming the person you want to be, you are automatically engaged in becoming the person you don't want to be.

Any fool can criticize, condemn and complain - and most fools do. But it takes character and self control to be understanding and forgiving.

Most of the important things in the world have been accomplished by people who have kept on trying when there seemed to be no hope at all.

When we hate our enemies, we are giving them power over us: power over our sleep, our appetites, our blood pressure, our health, and our happiness.

Instead of worrying about what people say of you, why not spend time trying to accomplish something they will admire.

The world is so full of people who are grabbing and self-seeking. So the rare individual who unselfishly tries to serve others has an enormous advantage. He has little competition.

The successful man will profit from his mistakes and try again in a different way.

I think that 'God' would have a devil of a time if he was here on Earth.

For the first time in the history of mankind, one generation literally has the power to destroy the past, the present and the future, the power to bring time to an end.

The thing about making a documentary in Las Vegas is there isn't much to film apart from other people making documentaries about Las Vegas.

The Nobel Prize confers on an individual an authority which in economics no man ought to possess.

Once in a while it can be a bit disconcerting to be so recognisable.

The saddest thing is that when I sat down to rehearse for the Pixies, I couldn't believe that I had given up something that I loved. Now I hold the drum at night and I want to go to bed with it.

Justin Bieber is like the white Tupac. Compared to a lot of people.

I get nervous for any competition. I also get really competitive.

There are matters in the Bible, said to be done by the express commandment of God, that are shocking to humanity and to every idea we have of moral justice.

God created us to thrive on encouragement from others