Classes

Likutei Sichos vol. 25 page 213 ff.

Yosef is ‘Matzliach’ (accesses his Mazal in a very blessed way) because of his adaptability to the reality and hardship of Galus. He descends from bad to worse, from Slave to Prisoner and as his circumstance challenges him more he digs deeper to find trust in Hashem and becomes ever more successful.