A mediocre idea that generates enthusiasm will go further then a great idea that inspires no one.
Flaming enthusiasm, backed up by horse sense and persistence, is the quality that most frequently makes for success.
The real secret of success is enthusiasm.
Success is going from failure to failure without losing enthusiasm.
Truth is never to be expected from authors whose understanding is warped with enthusiasm.
Nothing great was ever achieved without enthusiasm
At moments of great enthusiasm it seems to me that no one in the world has ever made something this beautiful and important.
There are few, if any, jobs in which ability alone is sufficient. Needed, also, are loyalty, sincerity, enthusiasm and team play.
Striving is everything.
Nothing will dispel enthusiasm like a small admission fee.
It was used for decades to describe talented computer enthusiasts, people whose skill at using computers to solve technical problems and puzzles was - and is - respected and admired by others possessing similar technical skills.
Enthusiasm is more important to mastery than innate ability, it turns out, because the single most important element in developing an expertise is your willingness to practice.
The Happiness Project: Or, Why I Spent a Year Trying to Sing in the Morning, Clean My Closets, Fight Right, Read Aristotle, and Generally Have More Fun
Science is the great antidote to the poison of enthusiasm and superstition.
Wealth of Nations
None are so old as those who have outlived their enthusiasm.