" ...But a cocktail is not meant to be a mélange. It is not a potpourri or an Easter parade. At its best, a cocktail should be crisp, elegant, sincere—and limited to two ingredients.”
“Just two?”
“Yes. But they must be two ingredients that complement each other; that laugh at each other’s jokes and make allowances for each other’s faults; and that never shout over each other in conversation. Like gin and tonic,” he said, pointing to his drink. "

― Amor Towles , A Gentleman in Moscow