However many confirming instances there are for a theory, it only takes one counter observation to falsify it: only one black swan is needed to repudiate the theory that all swans are white.

 
  • 不管有多少確實(shí)的證明一個(gè)理論的證據放在那里,只須一個(gè)相反的觀(guān)察就可以證偽它:反駁所有的天鵝都是白的這個(gè)理論只需一個(gè)黑天鵝就夠了。
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