质量不是概念；它是一种现实。
Quality is not a concept; it is a reality.
The study of mathematics is a constant dialogue between the concrete and the abstract.
游戏行业是一个很棒的行业。它富有创造力，令人兴奋，而且总是在变化。
Then I had religion, then I had a vision. I could not turn from their revel in derision. Then I saw the Congo creeping through the black, cutting through the forest with a golden track。
The world is so unpredictable. Things happen suddenly, unexpectedly. We want to feel we are in control of our own existence. In some ways we are, in some ways we're not. We are ruled by the forces of chance and coincidence.