What Exactly Was Google's 'AI Is Sentient' Guy Actually Saying?

In the much-lauded Star Trek: The Next Generation episode "Measure of a Man," Lt. Commander Data, an artificial android, is being questioned of his own sentience. In response to this confrontation, Data commands the room when he calmly states "I am the culmination of one man's dream. This is not ego, or vanity. But when Dr. Soong created me, he added to the substance of the universe... I must protect this dream."