Nothing great was ever achieved without enthusiasm.
Every production of genius must be the production of enthusiasm.
Act enthusiastic and you will be enthusiastic
Enthusiasm is the mother of effort, and without it nothing great was ever achieved.
Flaming enthusiasm, backed up by horse sense and persistence, is the quality that most frequently makes for success.
Enthusiasm is contagious - and so is the lack of it
Cash can buy, but it takes enthusiasm to sell
Enthusiasm is the most important thing in life
Enthusiasm is the greatest asset in the world. It beats money, power and influence.
When you discover your mission, you will feel its demand. It will fill you with enthusiasm and a burning desire to get to work on it.
There is an eloquence in true enthusiasm
I prefer the folly of enthusiasm to the indifference of wisdom.
A man can succeed at almost anything for which he has unlimited enthusiasm.
If you are not fired with enthusiasm, you will be fired with enthusiasm.
A salesman minus enthusiasm is just a clerk.