It is ironical because because Ozmandias considered himself to be the strongest and most powerful, he also thought that he would be remembered forever will all his great works.
This is a great line and sequence from this play. If you haven't already seen the film version with Daniel Day-Lewis, please do so. Day-Lewis delivers the above line in such a way that it is the part that I remember the most.
At this point in the play, John Proctor has already admitted to the court that he committed adultery with Abigail Williams. In essence, he has intentionally hurt his reputation in the community. Many people looked up to Proctor as a good, strong, and moral man, but the adultery will taint that image.
The court asks John to sign his name and admit to witchcraft, and John refuses to let the court keep the paper that he signed. John is okay with his reputation being hurt because he was trying to save others, but he is not okay with his name (and his family's name) being tainted by...
Darry is a good guardian to Ponyboy because he sets some boundaries for them and truly loves his brothers. Also, he put his collage work time and education aside to work 2 jobs so he could provide for his brothers so they can remain together as a family.
The meaning to realization is the act of fully being aware of something. So that in simple meaning is to understand that something is happening or going to happen. I hope I got that right.