Among all the artistic media, pencil drawing stands out as one of the simplest, yet most varied. At some time period or other, nearly every great artist has produced notable works in pencil--which only further underlines its universal appeal.
danielstolle: For an article titled “Quiet Down in There! – How to build a more peaceful mind in an ever-more-chaotic world” by Bill Stieg. Art direction by Michael Schnaidt. See a bigger version of the image here.