Courage is going from failure to failure without losing enthusiasm.

Courage is going from failure to failure without losing enthusiasm.

Zeal without knowledge is fire without light.

Zeal without knowledge is fire without light.

I prefer the folly of enthusiasm to the indifference of wisdom.

I prefer the folly of enthusiasm to the indifference of wisdom.

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.

Nothing great was ever achieved without enthusiasm.

Nothing great was ever achieved without enthusiasm.

Earnestness is enthusiasm tempered by reason.

Earnestness is enthusiasm tempered by reason.

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 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.

We act as though comfort and luxury were the chief requirements of life, when all that we need to make read more

We act as though comfort and luxury were the chief requirements of life, when all that we need to make us really happy is something to be enthusiastic about.