"What is required of us now is a new era of responsibility Ca recognition on the part of every American, that we have duties to ourselves, our nation and the world, duties that we do not grudgingly accept but rather seize gladly, firm in the knowledge that there is nothing so satisfying to the spirit, so defining of our character, than giving our all to a difficult task."

VOA: special.2009.01.24

I want to just go over the requirements of the course that really are required, not the optional piece, just so that you understand what my purpose is pedagogically.

我只想跟大家回顾一下,这门课程的必须要求，并非可以自由选择的,这样你们会理解我的目的何在。

耶鲁公开课 - 1945年后的美国小说课程节选

Moses enumerates additional misfortunes and sufferings that will befall Israel if she sins. But he emphasizes the choice is Israel's: God has been clear regarding what's required, and it's not beyond Israel's reach to attain life and prosperity. She needs to only choose.

摩西列举了如果以色列人犯罪，他们所面临的,不幸和惩罚但是他强调了以色列人所拥有的选择：,上帝已经申明他的要求，以色列人,想要的生命和繁荣并不是不可达到的她只需要选择。

耶鲁公开课 - 旧约导论课程节选

"If there are adjustments, there may have to be adjustments made in terms of what is required to achieve the mission if it changes,".

VOA: standard.2009.09.23

"Well it seems to me if we train officers to do a particular thing and put them into situations where that training is required and then we see pictures of them doing what they have been trained to do, we cannot simply wash our hands of it at that point and say how awful it is,right?" "We have to share some of that responsibility.

VOA: standard.2009.04.21