The following links are all lessons on Sithological Theory taught in the Sith Academy:

the Windswept Mountain
the Third Eye
Right Seeing
the Third Arm
Manchi and Omnichi
the Tao
the Dark Side
Silosian Machinations
The Conflict-Victory-Conflict Chain
Ying-Yang Motivation and Time
the Droplet of Light
The Beginning of the Universe
the Vacuum God
the Beginning of Civilization
the Sith Caste System
Telling Lies