I can retain neither respect nor affection for government which has been moving from wrong to wrong in order to defend its immorality - Mahatma Gandhi

[I]t is not true that we shall necessarily progress if our political conditions undergo a change, irrespectively of the manner in which it is brought about. If the means employed are impure, the change will not be in the direction of progress but very likely in the opposite.

The process of vaccination consists in injecting into the skin the liquid that is obtained by applying the discharge from the body of a small-pox patient to the udder of a cow… Vaccination is a barbarous practice, and it is one of the most fatal of all the delusions current in our time, not to be found even among the so-called savage races of the world. Its supporters are not content with its adoption by those who have no objection to it, but seek to impose it with the aid of penal laws and rigorous punishments on all people alike. ... (Part II, Chapter VI Contageous Diseases: Small-Pox)

Hesitating to act because the whole vision might not be achieved, or because others do not yet share it, is an attitude that only hinders progress.