[Science] is not perfect. It can be misused. It is only a tool. But it is by far the best tool we have, self-correcting, ongoing, applicable to everything. It has two rules. First: there are no sacred truths; all assumptions… — Carl Sagan Copy Share Image
![“[Science] is not perfect. It can be misused. It is only a tool. But it is by far the best tool we have, self-correcting, ongoing, applicable to everything. It has two rules. First: there are no sacred truths; all assumptions must be critically examined; arguments from authority are worthless…” quote by Carl Sagan](https://sms4smile.com/quotes/img-quotes/0b3/carl-sagan-160_argument_science-is-not-perfect-it-can-be-misused_2558360.jpg)