He would have been 79 years old today.
The video comes from episode 8 of the too-short running series, Cosmos, which aired November 16, 1980. Sagan's dreams are inspiring, and some on this planet still work and hold out hope that humanity will survive this age of fear, selfishness, and nationalism... and that we, our children or our great grandchildren will some day find the stars.
While there is abundant wealth and technology... and in spite of persistent efforts by anti-intellectuals and the purveyors of superstitious myth, human intellect survives... but it is in our compassion where we fall short. Humanity seems to grow thinner by the day.
We'll keep working on it. Happy birthday, Carl.