It Seems That Laughter Needs An Echo.

Homo Sapiens, The Only Creature Endowed With Reason, Is Also The Only Creature To Pin Its Existence On Things Unreasonable.

Instinct Perfected Is A Faculty Of Using And Even Constructing Organized Instruments; Intelligence Perfected Is The Faculty Of Making And Using Unorganized Instruments.

It Is Emotion That Drives The Intelligence Forward In Spite Of Obstacles.

In Laughter We Always Find An Unavowed Intention To Humiliate And Consequently To Correct Our Neighbour.

In Short, Intelligence, Considered In What Seems To Be Its Original Feature, Is The Faculty Of Manufacturing Artificial Objects, Especially Tools To Make Tools, And Of Indefinitely Urging The Manufacture.