Technology can amplify great teaching, but it cannot replace poor teaching.
技术可以放大优秀教学的效果，但无法替代糟糕的教学。
Each time you reach out to people， bring them a blessing； then they’ll be happy to see you when you bring them a problem.
你对自己了解得越多，对你在别人身上看到的东西就越有耐心。
The spread of liberal democracy and the integration of the world economy have created a situation in which the major powers are no longer willing to risk war with one another.
外交需要持久的耐心和坚定的决心，以推动复杂问题的解决。