Enthusiasm is the inspiration of everything great. Without it no man is to be feared, and with it none despised.

Enthusiasm is the inspiration of everything great. Without it no man is to be feared, and with it none despised.

Every production of genius must be the production of enthusiasm.

Every production of genius must be the production of enthusiasm.

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.

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 excitement with inspiration, motivation, and a pinch of creativity.

Enthusiasm is excitement with inspiration, motivation, and a pinch of creativity.

There is a real magic in enthusiasm. It spells the difference between mediocrity and accomplishment.

There is a real magic in enthusiasm. It spells the difference between mediocrity and accomplishment.

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.

None are so old as those who have outlived enthusiasm

None are so old as those who have outlived enthusiasm