Scientist-practitioner Model/origin

Famous quotes containing the words model and/or origin:

    When Titian was mixing brown madder,
    His model was posed up a ladder.
    Said Titian, “That position
    Calls for coition,”
    So he lept up the ladder and had her.
    Anonymous.

    Though I do not believe that a plant will spring up where no seed has been, I have great faith in a seed,—a, to me, equally mysterious origin for it.
    Henry David Thoreau (1817–1862)