Categories Robert A. Heinlein Stranger in a Strange Land Quote from Robert A. Heinlein, Stranger in a Strange Land Post author By Beautiful Quotes Post date October 17, 2022 No Comments on Quote from Robert A. Heinlein, Stranger in a Strange Land If you’ve got the truth you can demonstrate it. Talking doesn’t prove it. Tags faith,, philosophy, Robert A. Heinlein, science,, scientific-method, Stranger in a Strange Landdebate