moral uprightness; correctness of behavior
Morality, Honor, Virtue
Evil, Infamy, Dishonesty
Master Yoda lived the way of the Jedi with a level of rectitude unattainable by most others.
No matter how hard he tried, Anakin could not hold himself to the level of rectitude required by the Jedi Order, and thus fell to the dark side of the Force.
You were my brother Anakin! I loved you...