The greatest glory in living lies not in never falling, but in rising every time we fall.
物理学家是一位探险家，他不满足于停留在已知世界的边界内。
这是我听过的最好的回答。
Innovation is the lifeblood of our industry, and we must constantly push the boundaries of what is possible.
Most choice, forsaken; and most loved, despised!
Simple things often evoke the strongest emotions.
Problem solving is the central activity of intelligent systems.