The history of astronomy is a history of receding horizons.
天文学的历史是一部视野不断扩展的历史。
The future of forestry lies in balancing economic needs with ecological responsibility.
The great powers are always searching for opportunities to gain power at the expense of their rivals, which makes them inherently aggressive.
You can learn more about a man in an hour of play, than in a year of conversation.
Never give up, never surrender.
Technology should be invisible. When it's working best, you don't even notice it.