Air Quote by David Hume

Enthusiasm is grave, inward, self-controlled; mere excitement, outward, fantastic, hysterical, and passing in a moment from tears to laughter.

— John Sterling

There is a melancholy which accompanies all enthusiasm.

— Anthony Ashley Cooper, 1st Earl of Shaftesbury

Enthusiasm is always connected with the senses, whatever be the object that excites it. The true strength of virtue is serenity of mind, combined…

— Immanuel Kant

Enthusiasm is followed by disappointment and even depression, and then by renewed enthusiasm.

— Murray Gell-Mann

Enthusiasm gives life to what is invisible; and interest to what has no immediate action on our comfort in this world.

— Madame de Stael

Enthusiasm is a supernatural serenity.

— Henry David Thoreau

Enthusiasm is that temper of the mind in which the imagination has got the better of the judgment.

— William Warburton

Enthusiasm is always an interesting spectacle. When it expresses itself with an honest and artless eloquence, it is difficult to listen to it and…

— William Godwin

Enthusiasm is the energy and force that builds literal momentum of the human soul and mind.

— Bryant H. McGill

Enthusiasm is a heightened state of consciousness, and it's one of the best feelings there is to feel.

— Danielle LaPorte

Of all human sentiments, enthusiasm creates the most happiness; it is the only sentiment in fact which gives real happiness, the only sentiment which…

— Madame de Stael

Enthusiasm is contagious, and the person who has it, under control, is generally welcome in any group of people.

— Napoleon Hill