"Their number-one strategy was secrecy. If the other powerful pirates did not know where you were going, nor when you had gone, nor when you were coming back, they would not know how to waylay you. If anyone knew when you were coming home, “small-tini-ers” could come out in small boats and waylay you in the dark and take you over - just before you got home tiredly after a two-year treasure ¬ harvesting voyage. Thus hijacking and second-rate piracy became a popular activity around the world’s shores and harbors. Thus secrecy became the essence of the lives of the successful pirates; ergo, how little is known today of that which I am relating. p. 20"
January 1, 1970
https://en.wikiquote.org/wiki/Operating_Manual_for_Spaceship_Earth