I have always found horses, an animal I am attached to, very tractable when treated with humanity and steadiness.
-- Mary Wollstonecraft, A Vindication of the Rights of Woman
He thought that our temperaments are at least partly innate: "Some men by unalterable frame of their constitution are stout, others timorous, some confident, others modest and tractable."
-- Jonathan Weiner, Time, Love, Memory
Alice gets out her calculator and begins solving what, for her, is a far more tractable kind of problem.
-- Stephen S. Hall, "The Smart Set", New York Times Magazine, June 4, 2000
