Robert A. Heinlein Quotes about Time
Premenstrual Syndrome: Just before their periods women behave the way men do all the time.
The Cat Who Walks Through Walls: A Comedy of Manners ch. 15 (1985)
Robert A. Heinlein (1987). “Time Enough for Love”, p.24, Penguin
Once upon a time there was a Martian named Valentine Michael Smith.
Robert A. Heinlein (1987). “Stranger in a Strange Land”, p.11, Penguin