Without contraries is no progression. Attraction and Posted on November 15, 2018November 15, 2005 by admin “Without contraries is no progression. Attraction and repulsion, reason and energy, love and hate, are necessary to human existence.” — William Blake Author: William Blake Category: love Tags: love, William Blake Spread the love Related posts: At the touch of love everyone becomes A very small degree of hope is The best thing to hold onto in The greatest pleasure of life is love.