His eyes acquired some vivacity when they rested on his books, and he smiled when he gazed at the Diogenes Laertius, which was a unique copy.
当他注视他那些书籍时，他的眼睛总是神采奕奕的，在端详那本第欧根尼·拉尔修的作品时，他总面带微笑。
2
And the third is a work by Diogenes Laertius who wrote the lives of great philosophers with lots of little snippets describing their interesting lives and deaths.
第三个是拉尔修的作品，他用零星语言记录下哲人们的伟大生活，描述哲人们有趣的生活和他们的去世。
3
For many of these ancient philosophers all we know about them is a few snippets in Diogenes Laertius and given that kind of story you can see that we cannot view them with tremendous authority.