He said the only criterion for engaging the Islamists should be that they denounce violence as a political weapon and adhere to democratic rules.

VOA: standard.2010.05.11

And then be able to try to forge and adhere to become a better human being.

然后努力磨练并坚持,成为一个更好的人。

普林斯顿公开课 - 人性课程节选