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  • Challenges Quotes   108
  • Science is based on experiment, on a willingness to challenge old dogma, on an openness to see the universe as it really is. Accordingly, science sometimes requires courage - at the very least the courage to question the conventional wisdom.
  • 5 years ago



    Tags : Carl Sagan Quotes , Challenges Quotes , Dogma Quotes
  • All censorships exist to prevent anyone from challenging current conceptions and existing institutions. All progress is initiated by challenging current conceptions, and executed by supplanting existing institutions. Consequently, the first condition of progress is the removal of censorship.
  • 5 years ago



    Tags : George Bernard Shaw Quotes , Challenges Quotes , Progress Quotes