Stoicism is a much more important system, but harder to classify.
Davis, Greek and Roman Stoicism (1903); editions of the Meditations (5, below).
This concrete side of moral philosophy came specially into evidence when Stoicism was transplanted to Rome.
The introduction of Stoicism at Rome was the most momentous of the many changes that it saw.
This was a serious departure from the principles of the system, facilitating a return of later Stoicism to the dualism of God and the world, reason and the irrational part in man, which Chrysippus had striven to surmount.3 Yet in the general approximation and fusion of opposing views which had set in, the Stoics fared far better than rival schools.