Robert A. Heinlein Quote

By the data to date, there is only one animal in the Galaxy dangerous to man — man himself. So he must supply his own indispensable competition. He has no enemy to help him.


Time Enough for Love (ed. Penguin, 1987) - ISBN: 9781101503072


By the data to date, there is only one animal in the Galaxy dangerous to man — man himself. So he must supply his own indispensable competition. He ...

By the data to date, there is only one animal in the Galaxy dangerous to man — man himself. So he must supply his own indispensable competition. He ...

By the data to date, there is only one animal in the Galaxy dangerous to man — man himself. So he must supply his own indispensable competition. He ...

By the data to date, there is only one animal in the Galaxy dangerous to man — man himself. So he must supply his own indispensable competition. He ...