Why do people become firemen, policemen, soldiers, freedom fighters, all activities that cannot be explained in terms of self-interest alone?

不可能只用拿工资的理由，就能完全解释为什么总有人愿意做,消防员，警察，军人和争取自由的斗士？

耶鲁公开课 - 政治哲学导论课程节选

Yeah, I was a fireman for 32 years in London Fire Brigade.

我在伦敦消防队做了32年的消防员。

退休的消防员叔叔 - SpeakingMax英语口语达人

And where will people come from that, if they all follow the psychology of fear and ? self-interest that Hobbes wants to instill in us?

如果都按霍布斯灌输给我们的那样想，时刻保持着恐惧和利己的心态,那又从哪招募那些消防员，警察和军人呢？

耶鲁公开课 - 政治哲学导论课程节选

Policemen, firemen, ambulance driver, all those sort of things.

比如警察、消防员、救护车司机，类似这些行业的人。

想获得骑士爵位 - SpeakingMax英语口语达人