Carl Sagan Quotes

Keeping an open mind is a virtue - but, as the space engineer James Oberg once said, not so open

Keeping an open mind is a virtue - but, as the space engineer James Oberg once said, not so open that your brains fall out. (Carl Sagan)

Carl Sagan Quotes Pictures

Carl Sagan Quotes: Keeping an open mind is a virtue - but, as the space engineer James Oberg once said, not so open that your brains fall out.
Carl Sagan Quotes: Keeping an open mind is a virtue - but, as the space engineer James Oberg once said, not so open that your brains fall out.
Carl Sagan Quotes: Keeping an open mind is a virtue - but, as the space engineer James Oberg once said, not so open that your brains fall out.
Carl Sagan Quotes: Keeping an open mind is a virtue - but, as the space engineer James Oberg once said, not so open that your brains fall out.
Carl Sagan Quotes: Keeping an open mind is a virtue - but, as the space engineer James Oberg once said, not so open that your brains fall out.
Carl Sagan Quotes: Keeping an open mind is a virtue - but, as the space engineer James Oberg once said, not so open that your brains fall out.
Carl Sagan Quotes: Keeping an open mind is a virtue - but, as the space engineer James Oberg once said, not so open that your brains fall out.
Carl Sagan Quotes: Keeping an open mind is a virtue - but, as the space engineer James Oberg once said, not so open that your brains fall out.
Carl Sagan Quotes: Keeping an open mind is a virtue - but, as the space engineer James Oberg once said, not so open that your brains fall out.
Carl Sagan Quotes: Keeping an open mind is a virtue - but, as the space engineer James Oberg once said, not so open that your brains fall out.
Carl Sagan Quotes: Keeping an open mind is a virtue - but, as the space engineer James Oberg once said, not so open that your brains fall out.
Carl Sagan Quotes: Keeping an open mind is a virtue - but, as the space engineer James Oberg once said, not so open that your brains fall out.
Carl Sagan Quotes: Keeping an open mind is a virtue - but, as the space engineer James Oberg once said, not so open that your brains fall out.
Carl Sagan Quotes: Keeping an open mind is a virtue - but, as the space engineer James Oberg once said, not so open that your brains fall out.
Carl Sagan Quotes: Keeping an open mind is a virtue - but, as the space engineer James Oberg once said, not so open that your brains fall out.