Because if someone changes, " the question is no longer "is it possible to change" " but rather "how is it possible to change".

因为如果一个人在改变，问题已不再是“是否可能改变？,而是“怎样才可能改变。

哈佛公开课 - 幸福课课程节选

If we learn from these experiences in ourselves, the question is no longer whether or not it's possible to experience it more and more in our lives.

如果我们自己吸取这些经验，那么问题就不再是，是否有可能,越来越多地体验它。

哈佛公开课 - 幸福课课程节选

Egypt being the best example, so that no longer was war possible, but the flip side of that is, there was also another thing that was impossible -- freedom.

埃及就是最好的例证,所以当和平年代到来时,其对立面必然显现,即总有另一件事物,变得难以实现,那就是自由

耶鲁公开课 - 古希腊历史简介课程节选

The question when we see exceptions, whether it's the Lykken and Tellegen study, not all twins were the same, the question is no longer whether or not change is possible, but rather how is change possible.

当我们看到了例外，无论是在Lykken和Tellegen的研究，当发现不是所有的双胞胎都一样，已不再是，改变是否有可能，而是怎样实现这种改变。

哈佛公开课 - 幸福课课程节选