Complex sentence: As in the conversion of seed to fruit, to use one of Jesus' examples, the darkness of the earth and its apparent destruction is decisive so salvation apparently grows mainly from a suffering experience within oneself and the environment.
Split into simpler sentences: As in the conversion of seed to fruit, to use one of Jesus' examples, the darkness of the earth and its apparent destruction is decisive. Salvation apparently grows mainly from a suffering experience with oneself and the environment.