Quote of the Day:
Edwin Abbott
You, who are blessed with shade as well as light, you, who are gifted with two eyes, endowed with a knowledge of perspective, and charmed with the enjoyment of various colors, you, who can actually see…the Three Dimensions—how shall I make clear to you the extreme difficulty which we in Flatland experience in recognizing one another’s configuration? More…: https://play.google.com/store/apps/details?id=com.tfd.mobile.TfdSearch