One of the most important qualities that can help teens establish their own identities is the ability to "fit in." Finding friends who understand their problems and relate to them is paramount for teenagers.
Belonging to a gang instantly gives a teen an extended family. And that family automatically understands him, which is usually different from the family into which he was born. Gang membership also means that you are accepted. You are not an outsider; you are on the inside with at least one group.
Life isn't fair. The idea that life isn't fair is based entirely on one's perspective. Whether life is unfair to the greasers (the main characters' perspective) or to the Socs, (the rival groups' perspective) is a question that is recurrent in the novel. Rarely is injustice seen equally by all eyes.
Everyone who reads this book will definitely have face the some of issue that's the character faced. This is universal as it is realism, it's reality.
The scientific revolution brought us a renewed understanding of humanity and our place in the universe, new scientific equiptment, and new laws as a basis for future scientific discovery.
When you are put into a difficult situation and have to choose whether do something very important and consider it later ar consider it first and do it carefully later... like if you like chocolate but your stomach reacts badly to it you have to consider it before you end up eating it