Any sufficiently advanced ...

Any sufficiently advanced technology is equivalent to magic.
 Arthur C. Clarke

Quotes from the same author

Good morning, Dr. Chandra. This is Hal. I am ready for my first lesson.
 Arthur C. Clarke
The time was fast approaching when Earth, like all mothers, must say farewell to her children.
 Arthur C. Clarke
The intelligent minority of this world will mark 1 January 2001 as the real beginning of the 21st century and the Third Millennium.
 Arthur C. Clarke
We have to abandon the idea that schooling is something restricted to youth. How can it be, in a world where half the things a man knows at 20 are no longer true at 40 - and half the things he knows at 40 hadn't been discovered when he was 20?
 Arthur C. Clarke
We seldom stop to think that we are still creatures of the sea, able to leave it only because, from birth to death, we wear the water-filled space suits of our skins.
 Arthur C. Clarke