变化的速度永远不会比今天更慢。
The pace of change will never be slower than it is today.
International politics is a ruthless and dangerous business, and it is foolish to expect states to behave according to moral principles.
成功的关键是专注于目标,而不是障碍。
科学不是形式逻辑;它和其他创造性艺术一样,需要思想的自由发挥。
计算机科学的美在于它能够建模并解决现实世界的问题。
Agriculture is not just a business; it's a way of life.