确保和平的最佳方式是维持大国之间的权力平衡。
The best way to ensure peace is to maintain a balance of power among the great powers.
Technology is nothing if it doesn't solve real problems.
所有科学的起源是对原因的求知欲，而所有伪科学的起源是宁愿接受虚假原因也不愿承认无知的欲望。
I think it is often easier to make progress on mega-ambitious dreams. Since no one else is crazy enough to do it, you have little competition. In fact, there are so few people this crazy that I feel like I know them all by first name.