the utility of its function, which is a social one. Such, let us say at once, will be the leading idea of all our investigations. Laughter must answer to certain requirements of life in common. It must have a social signification.
Let us clearly mark the point towards which our three preliminary observations are converging. The comic will come into being, it appears, whenever a group of men concentrate their attention on one of their number, imposing silence on their emotions and calling into play nothing but their intelligence. What, now, is the particular point on which their attention will have to be concentrated, and what will here be the function of intelligence? To reply to these questions will be at once to come to closer grips with the problem. But here a few examples have become indispensable.
A man, running along the street, stumbles and falls; the passers-by burst out laughing. They would not laugh at him, I imagine, could they suppose that the whim had suddenly seized him to sit down on the ground. They laugh because his sitting down is involuntary.
