• If one is master of one thing and understands one thing well, one has at the same time, insight into and understanding of many things.

    Vincent Van Gogh: If one is master of one thing and understands one thing well, one has at the same time, insight into and understanding of many things.
    Vincent van Gogh, Mark Roskill (1997). “The Letters of Vincent Van Gogh”, p.110, Simon and Schuster