The phrase “nothing but the best” is an idiom that means “only the highest quality or standard.” It is often used to describe something that is exceptional or superior to all others. For example, you might say that a restaurant serves “nothing but the best” food, or that a store sells “nothing but the best” products.
There are many reasons why people might strive for “nothing but the best.” For some, it is a matter of pride. They want to be known for having the best of everything, and they are willing to work hard to achieve that goal. For others, it is a matter of satisfaction. They know that they deserve the best, and they are not willing to settle for anything less. Whatever the reason, striving for “nothing but the best” can be a motivating force that helps people to achieve great things.