Enthusiasm is the mother of effort, and without it nothing great was ever achieved.

Enthusiasm is the mother of effort, and without it nothing great was ever achieved.

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

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

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.

Earnestness is enthusiasm tempered by reason.

Earnestness is enthusiasm tempered by reason.

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.

A mediocre idea that generates enthusiasm will go further than a great idea that inspires no one.

A mediocre idea that generates enthusiasm will go further than a great idea that inspires no one.

None are so old as those who have outlived enthusiasm

None are so old as those who have outlived enthusiasm

Enthusiasm is contagious. Be a carrier.

Enthusiasm is contagious. Be a carrier.

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.