A Klingon, a Human and a Cardassian are sitting at a bar minding their own business. The Ferengi bartender offers to refill their drinks when suddenly the Human smashes his glass and proclaims, "My people invented replicator technology and as a token to my ancestors I refuse to drink with the same one twice!"
Amused by this, the Cardassian finishes his drink, smashes his glass and says, "My people have conquered entire worlds to exploit every single resource to our advantage and so as tribute to MY ancestors I too shall refrain from driving with the same one twice!"
The Ferengi bartender is impressed with these gentlemen: not only is he charging them for drinks but glasses now too! So to encourage more of this he pours himself a shot, swigs it back, smashes the glass and says, "My ancestors perfected interplanetary commerce and for the riches they bestowed upon my generation I shall no longer drink with the same glass twice!"
The three of them look over at the Klingon, who is chuckling to himself, amused by all this. He raises his glass, finishes his drink, places the glass gently onto the bar, takes out his disruptor and shoots the bartender: "For the Glory of the Empire I pledge to my ancestors that I will never have a drink with the same Ferengi twice."