What do we call visible light? We call it color. But the colors are only the names we give to the way light behaves when it hits something.
“唯一真正无限的是人类爱的能力。”
In the quest to understand quantum gravity, we are like children playing on the shore of a vast ocean, occasionally finding a smooth pebble or a pretty shell, while the great ocean of truth lies undiscovered before us.
Short-term profits should never override long-term planetary health.