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  • Self Quotes   818
  • We must not overlook the role that extremists play. They are the gadflies that keep society from being too complacent or self-satisfied; they are, if sound, the spearhead of progress. If they are fundamentally wrong, free discussion will in time put an end to them.
  • 5 years ago



    Tags : Abraham Flexner Quotes , Science Quotes , Self Quotes
  • Human nature, essentially changeable, as unstable as the dust, can endure no restraint; if it binds itself it soon begins to tear madly at its bonds, until it rends everything asunder, the wall, the bonds, and its very self.
  • 5 years ago



    Tags : Franz Kafka Quotes , Wall Quotes , Self Quotes
  • [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. Second: whatever is inconsistent with the facts must be discarded or revised. ... The obvious is sometimes false; the unexpected is sometimes true.
  • 5 years ago



    Tags : Carl Sagan Quotes , Science Quotes , Self Quotes
  • Moderation, which consists in indifference about little things, and in a prudent and well-proportioned zeal about things of importance, can proceed from nothing but true knowledge, which has its foundation in self-acquaintance.
  • 5 years ago



    Tags : Plato Quotes , Self Quotes , Contentment Quotes