Arthur C. Clarke

"Behind every man now alive stand 30 ghosts, for that is the ratio by which the dead outnumber the living."

"If we have learned one thing from the history of invention and discovery, it is that, in the long run — and often in the short one — the most daring prophecies seem laughably conservative."

"He had discharged his destiny; now, perhaps, he could begin to live."

"This is the first age thats ever paid much attention to the future, which is a little ironic since we may not have one."

"Any teacher that can be replaced by a machine should be!"

"As our own species is in the process of proving, one cannot have superior science and inferior morals. The combination is unstable and self-destroying."