His autobiography provides an illuminating insight into his mind.他的自传使读者得以洞悉他的内心世界。

It would be illuminating to hear his views on the subject.听听他对这个问题的观点会很有启发。

How often it is that the lives of the less celebrated prove more illuminating.无名之辈的人生经历更有启发性, 这是屡见不鲜的。