What did Pasteur advises scientist to do before they proclaim their discoveries

Which of the following statements is true?

Aprimary source: a- may be biased b- is never biased c- cannot possibly have bias d- none of the above

From this story and the indian saying which precedes it, what can the reader conclude about the culture in which the tale is set? a) they believe that death is always signified by pigeons flying away. b) they think that the behavior of creatures in the natural world can indicate things that will happen to people. c) they believe that honest, hard work provides relief from the ravages of the natural world. d) they think that death isn't the end, but only the beginning of a new life.