And so,to the Germans of Pennsylvania, Saint Nicholas or Pelznickel was a man dressed in fur who came once a year with gifts for good children.Soon, people began to feel that the love and kindness Pelznickel brought should be part of a celebration honoring the Christkindl, as the Germans called the Christ child.

VOA: special.2009.12.20

If so, then from an evolutionary standpoint any kindness towards an animal that an animal shows towards another animal--is a mystery.

如果这样，从进化论观点看,任何对动物善意行为,一个动物对另一个动物，是个谜团。

耶鲁公开课 - 心理学导论课程节选

This is after the man from the filling station has given Haze some gas and not charged him for it, a very unusual act of kindness in this novel.

这是在一个加油站男人给了海斯一些汽油后,且没有向他要钱，这是在这部小说中非常少见的善行。

耶鲁公开课 - 1945年后的美国小说课程节选

A second force towards kindness is cooperation.

另一道向善的力量就是合作。

耶鲁公开课 - 心理学导论课程节选