Why the person's dactylogram, eyeball is unique, is there coincidence?

为什么人的指纹，眼球是独一无二的，没有巧合吗？

Any resemblance of a character in this book to a living person is purely incidental.

书中人物如有雷同，纯属巧合。

These parallels cannot be merely coincident.

这些相似之处不可只是巧合。

My opinion coincides with his.

我的意见跟他巧合。