From BachWiki

Description of Centaury

Dr Bach wrote

Are you one of those people whom everybody uses, because in the kindness of your heart you do not like to refuse them anything: do you just give in for the sake of peace rather than do what you know is right, because you do not wish to struggle: whose motive is good, but who are being passively used instead of actively choosing your own work. Those of you who are door-mats are a very long way along the road to being of great service once you can realise that you must be a little more positive in your life. Centaury, that grows in our pastures, will help you to find your real self, so that you may become an active, positive worker instead of a passive agent.

                                          (Free Thyself, 1932)

Guiding principle

OVER-SENSITIVITY TO INFLUENCES AND IDEAS - Imposing no limits on somebody, no ability to assert oneself