If we do not speak for Earth, who will? If we are not committed to our own survival, who will be?


Cosmos (ed. Ballantine Books, 2011) - ISBN: 9780307800985

Carl Sagan Quotes

If we do not speak for Earth, who will? If we are not committed to our own survival, who will be?

If we do not speak for Earth, who will? If we are not committed to our own survival, who will be?

If we do not speak for Earth, who will? If we are not committed to our own survival, who will be?

If we do not speak for Earth, who will? If we are not committed to our own survival, who will be?