When all else failed, you had to rely on eyeball intrumentation.

No communication technology has ever disappeared, but instead becomes increasingly less important as the technological horizon widens.

I can never look now at the Milky Way without wondering from which of those banked clouds of stars the emissaries are coming. If you will pardon so commonplace a simile, we have set off the fire alarm and have nothing to do but to wait. I do not think we will have to wait for long.

Religion is the most malevolent of all mind viruses.

The space elevator will be built about 50 years after everyone stops laughing.

Religion is a byproduct of fear.

Getting information from the internet is like getting a glass of water from the Niagara Falls.