“In every shining moment of happiness is that drop of poison: the knowledge that pain will come again. Be honest to those you love, show your pain. To suffer is as human as to breathe.” “The truth is a beautiful and terrible thing, and should therefore be treated with great caution.”
Explanation: It is because when the writer uses the word "for example". It usually means that they are going to give an example related to the idea that they were talking about.