there is one case, one only, when man may consciously, purposely, desire what is injurious to himself, what is stupid, very stupid — simply in order to have the right to desire for himself even what is very stupid and not to be bound by an obligation to desire only what is sensible. Of course, this very stupid thing, this caprice of ours, may be in reality, gentlemen, more advantageous for us than anything else on earth,
