追求权力是所有大国的主要目标，这种追求常常导致冲突。
The pursuit of power is the primary goal of all great powers, and this pursuit often leads to conflict.
There are no shortcuts in technology, only down-to-earth efforts.
"Never stop learning. The world is always changing, and you must change with it."
最令人兴奋的发现是那些挑战我们假设的发现。