Artificial Restriction Enzymes

Famous quotes containing the words artificial and/or restriction:

    There is natural ignorance and there is artificial ignorance. I should say at the present moment the artificial ignorance is about eighty-five per cent.
    Ezra Pound (1885–1972)

    If we can find a principle to guide us in the handling of the child between nine and eighteen months, we can see that we need to allow enough opportunity for handling and investigation of objects to further intellectual development and just enough restriction required for family harmony and for the safety of the child.
    Selma H. Fraiberg (20th century)