We humans, as species, are interested in communication with extraterrestrial intelligence. Would not a good beginning be improved communication with terrestral intelligence, with other human beings of different cultures and languages, with the great apes, with the dolphines, but particularly with those intelligent masters of the deep, the great whales?

All of the books in the world contain no more information than is broadcast as video in a single large American city in a year. Not all bits have equal value.

by Carl Sagan