This popular prayer is very poetic and expresses the passionate love he had for Jesus.
Similar to St. Francis, St. Bonaventure had a deep devotion to the Eucharist and truly believed that Jesus was present under the appearances of bread and wine.
This led him to compose a beautiful prayer, very poetic that expresses the passionate love he had for Jesus.
Many use this prayer for after communion, as it speaks directly to Jesus, the "Bread of Angels."