If you have zest and enthusiasm you attract zest and enthusiasm. Life does give back in kind.

If you have zest and enthusiasm you attract zest and enthusiasm. Life does give back in kind.

Zeal without knowledge is fire without light.

Zeal without knowledge is fire without light.

In things pertaining to enthusiasm, no man is sane who does not know how to be insane on proper occasions.

In things pertaining to enthusiasm, no man is sane who does not know how to be insane on proper occasions.

Enthusiasm is the leaping lightning, not to be measured by the horse- power of the understanding.

Enthusiasm is the leaping lightning, not to be measured by the horse- power of the understanding.

Nothing great was ever achieved without enthusiasm.

Nothing great was ever achieved without enthusiasm.

For every sale you miss because you're too enthusiastic, you will miss a hundred because you're not enthusiastic enough.

For every sale you miss because you're too enthusiastic, you will miss a hundred because you're not enthusiastic enough.

Enthusiasm is contagious. Be a carrier.

Enthusiasm is contagious. Be a carrier.

Success is not the result of spontaneous combustion, you must set yourself on fire first.

Success is not the result of spontaneous combustion, you must set yourself on fire first.

Enthusiasm is everything. It must be taut and vibrating like a guitar string.

Enthusiasm is everything. It must be taut and vibrating like a guitar string.