Incorruptible Pure Pureness: Not overwhelmingly more than any other reality (although the emphasis Imperial-style moral teachings put on self-integrity, importance of probably helps make people substantially more resistant to temptation). And, of course, remember Blue and Orange Morality, which does, ahem, offer a somewhat different slant on the qualifications for what exactly the right thing, and indeed, the greater good are.
(This remains true even into the Transcendent era; the protections implicit in the collective consciousness ensure mutual loyalty and benevolence between its members; not necessarily towards the rest of the universe.)
Played straight with certain special types of minds: the Ephors of the Curia, for example, are essentially artificial intelligences constructed out of the law to judge the law, and are utterly, 100% loyal to the Fundamental Contract, the Imperial Charter, statute law, and precedent, in that order. They can’t be corrupted, bribed, influenced, or swayed by emotional appeals. The concept of higher motivations than The Law simply doesn’t exist in their mental universe.
The other example that leaps to mind is the use, in some professions, of specially-designed gnostic overlays – mental add-ons which supplement personality rather than replace it, and in these cases, specifically, plug-in values. The constabular overlay is used by on-duty members of the Watch Constabulary, and those deputized and self-deputized, and includes those values deemed necessary for those members of society paid to and permitted to use necessary force, including strict adherence to the law, respect for the rights of their fellow citizens, incorruptibility, and so forth.
Another interesting one is the objectivity overlay, widely used among some journalists who are writing not for the editorial pages. Plug this one into your head, and it suppresses personal opinions, interests, and assorted other emotional and subjective considerations, while leaving you still competent to do your job. It guarantees your ability to write unbiased, fact-based stories, however appalled by yourself you might be when you take the overlay off.