This is because he believes that the soul exists, will continue to exist after the death of the body, and the soul is immortal.

这是因为他认为灵魂是存在的，在肉体死后仍会继续存在，而且灵魂是不朽的。

youdao

Human beings are immortal, not because he alone has a say in all things, but because he has a soul, a spirit of compassion, sacrifice, and endurance.

人类是不朽的，这不是因为万物当中仅仅他拥有发言权，而是因为他有一个灵魂，一种有同情心、牺牲精神和忍耐力的精神。

youdao

He thought this false thought because he did not know the immortal strength of human curiosity.

他认为这种想法是错误的，因为他不知道人类好奇心的不朽力量。

youdao

He shall bring together every joint and member, and shall mould them into an immortal feature of loveliness and perfection.

他会将每个碎片和部分都带到一起,会将他们铸成永世不朽的可爱和完美的样子。

耶鲁公开课 - 弥尔顿课程节选

Well, of course, it's because he thinks, first of all, there's a soul and it will survive and it's immortal.

当然,这是因为他认为,首先,灵魂是存在的,在肉体死后仍会继续存在,而且灵魂是不朽的

耶鲁公开课 - 死亡课程节选

The Priestly conception of god, you will recall, is of an immortal and asexual being.

你们将回顾，祭司的对于神的概念，是一个不朽且无性的存在。

耶鲁公开课 - 旧约导论课程节选