When we eat, our bodies break down the food and get from it both energy and materials for building and repairing the body. The process is similar on a symbolic level in the Bible. Food represents the desire for good and the insight that comes from that desire for good – goodness and understanding that come from the Lord. But to put them to use we have to take them in and make them our own – which is spiritual eating.

6118. 'Saying, Give us bread' means a plea for the sustainment of spiritual life. This is clear from the meaning of 'giving', when it has reference to 'bread', as sustaining; and from the meaning of 'bread' as spiritual life. In a specific sense 'bread' means the good of love and charity; but in a general sense it means spiritual life, for in this case bread is used to mean all food, as shown in 2165. When used to mean all food in general, it is spiritual life; for in the spiritual sense food in general is all the good of love and all the truth of faith. These two are what compose spiritual life.