Anecdotal Evidence Quotes
At the time, some parents of autistic children observed that the autism was diagnosed after the children had been vaccinated for communicable diseases. They then concluded that there was a causal relationship. Many people, hearing these anecdotes concluded the same and there was a political controversy over the safety of childhood immunization. However, many scientific studies, and analysis had shown conclusively that there was no causal relationship. None the less, many people still thought there was and the controversy persisted.
Spinoza’s ideas were considered so radical and dangerous that he was the only man in history who was excommunicated by the Catholics, the Jews and the Muslims.