The Seventh Monolith, WikiPedia

…there was already something in his gaze beyond the capacity of any ape. In those dark, deep‐set eyes was a dawning awareness ‐ the first intimations of an intelligence that could not possibly fulfill itself for ages yet, and might soon be extinguished forever.
Arthur Charles Clarke, 2001: A Space Odyssey

They had learned to speak, and so had won their first great victory over Time. Now the knowledge of one generation could be handed on to the next, so that each age could profit from those that had gone before.
Arthur Charles Clarke, 2001: A Space Odyssey

Without those weapons, often though he had used them against himself, Man would never have conquered his world. Into them he had put his heart and soul, and for ages they had served him well. But now, as long as they existed, he was living on borrowed time.
Arthur Charles Clarke, 2001: A Space Odyssey

Even now, he could not fully accept the idea that Frank had been deliberately killed‐it was so utterly irrational. It was beyond all reason that Hal, who had performed flawlessly for so long, should suddenly turn assassin.
Arthur Charles Clarke, 2001: A Space Odyssey

The stars were thinning out; the glare of the Milky Way was dimming into a pale ghost of the glory he had known‐and, when he was ready, would know again. He was back, precisely where he wished to be, in the space that men called real.
Arthur Charles Clarke, 2001: A Space Odyssey

2001: A SPACE ODYSSEY, Trailer

Benedictus (by Karl Jenkins), LIVE at Arena Zagreb, 2CELLOS

Hans Zimmer's Interstellar theme song ‐ video, JustMontage