Final answer:
Sam's restaurant's specific philosophy is not provided; however, prioritizing customer satisfaction is a common and effective approach for restaurants to retain and attract customers.
Step-by-step explanation:
The philosophy applied to all areas of Sam's restaurant is not explicitly stated in the provided question. Generally, a restaurant's philosophy could include a variety of focuses, such as prioritizing customer satisfaction, offering the finest steaks, keeping prices high for exclusivity, or serving exotic cuisines. To determine Sam's specific philosophy, one would need more information about Sam's restaurant and its values. If this is a hypothetical or fictional scenario, one could infer that the best general approach for any restaurant would be prioritizing customer satisfaction, as happy customers are likely to return and recommend the restaurant to others.