The chapter starts by analysing how the case of an incorrect paper about the effects of vaccines has generated important consequences in the society. It then discusses the role of fakes news in science, followed by a discussion on why we need a solid science and the importance of validated results and authoritative statements for public discussion and democracy. The chapter explores the essential role of common ethical principles in science, starting with the classic principles of Robert Merton. The chapter concludes with a discussion of how science today is too fast, and how we need to slow down if we want to give value to what we do.