19 Quotes by Theodosius Dobzhansky

  • Author Theodosius Dobzhansky
  • Quote

    Natural selection must be replaced by eugenical artificial selection. This idea constitutes the sound core of eugenics, the applied science of human betterment.

  • Share

  • Author Theodosius Dobzhansky
  • Quote

    Marxists are more right than wrong when they argue that the problems scientists take up,. the way they go about solving them, and even the solutions they arc inclined to accept, arc conditioned by the intellectual, social, and economic environments in which they live and work.

  • Share

  • Author Theodosius Dobzhansky
  • Quote

    An accident, a random change, in any delicate mechanism can hardly be expected to improve it. Poking a stick into the machinery of one’s watch or one’s radio set will seldom make it work better.

  • Share

  • Author Theodosius Dobzhansky
  • Quote

    Evolution as a process that has always gone on in the history of the earth can only be doubted by those who are ignorant of the evidence or are resistant to evidence, owing to emotional blocks or plain bigotry.

  • Share

  • Author Theodosius Dobzhansky
  • Quote

    I am a creationist and an evolutionist. Evolution is God’s, or Nature’s method of creation. Creation is not an event that happened in 4004 BC; it is a process that began some 10 billion years ago and is still under way.

  • Share


  • Author Theodosius Dobzhansky
  • Quote

    The more we know, the better we realize that our knowledge is a little island in the midst of an ocean of ignorance.

  • Share

  • Author Theodosius Dobzhansky
  • Quote

    Evolutionary plasticity can be purchased only at the ruthlessly dear price of continuously sacrificing some individuals to death from unfavourable mutations. Bemoaning this imperfection of nature has, however, no place in a scientific treatment of this subject.

  • Share