enthusiasm can only be aroused by two things; first, an ideal which takes the imagination by storm, and second, a definite intelligible plan for a carrying that ideal into practice.

Every memorable act in the history of the world is a triumph of enthusiasm. Nothing great was ever achieved without it because it gives any challenge or any occupation, no matter how frightening or difficult, a new meaning. Without enthusiasm you are doomed to a life of mediocrity but with it you can accomplish miracles.

Enthusiasm is one of the most powerful engines of success. When you do a thing, do it with all your might. Put your whole soul into it. Stamp it with your own personality. Be active, be energetic, be enthusiastic and faithful, and you will accomplish your object. Nothing great was ever achieved without enthusiasm.

If you want to be enthusiastic,
act enthusiastic.

Enthusiasm is one of the most powerful engines of success.

The vitality of thought is in adventure. Ideas won't keep. Something must be done about them. When the idea is new, its custodians have fervor, live for it, and, if need be, die for it.

Enthusiasm is one of the most powerful engines of success. When you do a thing do it with all your might. Be active, be energetic, be enthusiastic and faithful, and you will accomplish your objective.
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Cus talked with such enthusiasm because enthusiasm is contagious and people will do things when they get enthused.

If you aren't fired with enthusiasm, you will be fired with enthusiasm.

Enthusiasm can help you find the new doors, but it takes passion to open them. If you have a strong purpose in life, you don't have to be pushed. Your passion will drive you there.

Enthusiasm releases the drive to carry you over obstacles and adds significance to all you do.

Enthusiasm is achieved chiefly by means of provocations. In these cases, something inside of us resonates vibrantly with something outside. / The form of the provocation—be it book, music, sporting event, conversation—matters insofar as it might help to us find these sources of resonance.

enthusiasm is a skill you can activate, not a trait you're born with

(You were once quoted to the effect that in picking volunteers you preferred enthusiasm to experience.) AP: Yes. Well, wouldn’t you? I think everybody would. I think every reform movement needs people who are full of enthusiasm. It’s the first thing you need. I was full of enthusiasm, and I didn’t want any lukewarm person around. I still am, of course