English summary: M. Labahn examines the feeding of the five thousand and Jesus' walking on the sea in John 6. Both discourses are contained in one of the central chapters of the Fourth Gospel, in which Jesus calls himself the bread of life, and both have challenged Christians and exegetes of all times. Above all it is the miraculous feeding of the five thousand with its various models of interpretation ranging from the sacramental to the rationalizing-ethical...