You could do the phrase "Life, Liberty, and the pursuit of Happiness." These are obviously the unalienable rights guaranteed in the Declaration of Independence. For example, you could say something like "without these unalienable rights, the country would be just a mess." Hope this helps!
Her obsession with finding a pattern reveals her imagination and creativity, which is stifled by her husband and by her being forced to spend so much time in the room.
She is depressed, not able to see her new baby, not permitted to have visitors, and shut in at all times. Since she is denied any opportunity for stimulation or creative outlet, she creates one. Her obsession with the wallpaper, and later the insanity it causes, show what kind of a mind she has. Her mind is one that needs to express itself creatively.
