Rule of thirds as a rule for the proportion of warm to cold colors in a painting, and attributes to Smith the expansion of that rule to all proportions in painting: Sir Joshua has given it as a rule, that the proportion of warm to cold colour in a picture should be as two to one, although he has frequently deviated therefrom; and Smith, in his "Remarks on Rural Scenery," would extend a like rule to all the proportions of painting, begging for it the term of the "rule of thirds," according to which, a landscape, having one third of land, should have
What Is and What Should Never Be (Supernatural) creepy look to it". He was pleased to see Smith and Palicki return, and found the character of Carmen to be "a nice addition to the family". Don Williams of BuddyTV agreed, and ranked the episode third in his list of the best episodes of the first three seasons. Deeming it the best standalone episode, he noted that it "can be embraced by anyone who enjoys clever writing, great acting, or a shirtless Jensen Ackles". General Specific Notes What Is and What Should Never Be (Supernatural) "What Is and What Should Never Be" is the twentieth episode of the paranormal