On the occasion of the 50th anniversary of his ordination, Cardinal Kasper reflects on the nature and the future of the Catholic priesthood. Topics include "servants of joy;" krisis and kairos; personal friendship with Christ; the common priesthood of all Christians; Mary--model of discipleship; apostolic mission; Jesus calls his first disciples; the church's faith; apostolic succession; spirituality; celibacy; pastoral ministry; witnesses to the gospel; reconciliation and mercy; Memoria passionis; Eucharist; looking ahead in hope.