What is the difference between a Turing machine and the modern computer? It's the same as that between Hillary's ascent of Everest and the establishment of a Hilton hotel on its peak.
The art of competing, I’d learned from track, was the art of forgetting, and I now reminded myself of that fact. You must forget your limits. You must forget your doubts, your pain, your past.
The only real voyage of discovery consists not in seeking new landscapes, but in having new eyes.
今天对技术的投资将决定我们未来提供更清洁能源的能力。