If you pick one verse of the 'Bhagwat Geeta' and wear it to your whole life, it will be worth.
I think our whole life will be less to understand the single teachings/ verse of "Shri Bhagavad Geeta."
The purpose it share, and connect with our life.
It’s endless. More you read, more you learn and much beautiful it looks than ever.
Of course I tried to study, learn, and understand.
What I experienced, every verse of Bhagavad Geeta is worth at its best and then I realized I knew nothing and it's beyond that.
The day we understand and implement the single verse or word like Karma, Dharma, Eternal etc you will be free from illusion of things, find happiness around you.
You will be able to see the beauty of things or nature which was sometime boring or useless (It’s my opine/experience), you will see you, I think.
Bhagavad Gita could be anything like idea, topic, knowledge, path, solution, life, book depend on minds-thoughts-interpretation-experience.
It’s another matter that some of its verse is favorite from person to person.
You don't need to be smart to understand rather null or wise.
Read twice Bhagwat Geeta in your life at least:
1. When you started growing and have lack of understanding (17-22),
2. When you spent more than half of your life (38-43),
You can read as much times you can or one verse daily.
Source: AK (Q&A)