Categories Thought Robert A. Heinlein Post author By Redactor Post date April 8, 2022 No Comments on Robert A. Heinlein There is nothing in this world so permanent as a temporary emergency.Robert A. Heinlein, The Man Who Sold the Moon (1951), p. 100. ← Will Elon Liberate Tweeting? → The Explosion in Alternatives Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website nine + =