当一盏灯熄灭时,比它从未亮起时要黑暗得多。
It's so much darker when a light goes out than it would have been if it had never shone.
Precision is not just a goal in our experiments; it's the very language through which nature speaks to us.
The key to performance is elegance, not battalions of special cases.
Quality is conformance to requirements, not goodness.