A firm advocate of the skeptical scientific inquiry and the scientific method, Carl Sagan also believed that knowledge should be put at the general public’s service as best as possible. Here is one of his most famous quotes to summarize this belief: “It is the responsibility of scientists never to suppress knowledge, no matter how awkward that knowledge is, no matter how it may bother those in power; we are not smart enough to decide which pieces of knowledge are permissible and which are not.”