[Transcriber's Note: This etext was produced from Astounding Science Fiction June 1957. Extensive research did not uncover any evidence that the U.S. copyright on this publication was renewed.] "An error is a denial of reality, but mistakes are mere mental malfunctionings. In an emergency, a mistake may be made because of the need for precipitate action. There is no time to choose the best course: something must be done at once. Most mistakes, however, are made without any such exterior pressure. One accepts the first-imagined solution to a problem without examining it, either out of an urgent desire to avoid the labor of thinking, …
Or read it translated: 日本語 · 中文 · हिन्दी · Español · العربية · Français · বাংলা · Português · Русский · Bahasa Indonesia · اردو · Deutsch · Kiswahili · 한국어