投资可持续林业就是投资我们星球的未来。
最好的故事会为孩子的想象力留出成长的空间。
理论物理学的美在于它能够揭示支配宇宙的隐藏对称性和模式。
真正的问题不是机器是否会思考，而是人是否会思考。
The end of history will be a very sad time. The struggle for recognition, the willingness to risk one's life for a purely abstract goal, the worldwide ideological struggle that called forth daring, courage, imagination, and idealism, will be replaced by economic calculation, the endless solving of technical problems, environmental concerns, and the satisfaction of sophisticated consumer demands.