He kept a gun--a rifle for hunting to support himself.

VOA: special.2009.10.31

He kept himself solitary and chaste. He devoted himself to poetry.

他过着孤独朴素的生活，致力于诗歌创作。

耶鲁公开课 - 弥尔顿课程节选

The notion of a self-assured experimenter-- The results would be very different if the experimenter himself seemed nervous, unwilling to proceed, confused, but he was confident and he kept saying that he will take responsibility.

还有电击者的自信程度-,实验结果会大为不同，如果电击者,紧张，不愿进行电击，迷惑，但电击者很有信心，不停地说,他会承担责任。

耶鲁公开课 - 心理学导论课程节选