The complete sentence is that of all things in the world, food and love are the only things that cannot be disappointed.

Of all things in the world, only food and love should not be let down. This means that among all things in the world, only food and love should not be let down. Food can bring people enjoyment of taste buds and satisfaction of the soul, while love is the key to human beings.

The most beautiful and precious part of emotional life, both are indispensable elements in life and deserve to be cherished and pursued.

Of all things in the world, only food and love cannot be let down. This sentence comes from "Going to the Kitchen" written by Bi Xiaoni to Tony. This sentence conveys people's cherishment of food and love and emphasizes that food and love are the two most important things in life.

Things that should not be ignored and let down remind people to cherish every good thing in life and not let down those things that can bring joy and happiness.