What is the apex? To become a philosopher.
In Wikipedia, click every link and sooner or later you get back to the philosophy page.
Nietzsche says philosophers are the future legislators and law givers of humanity. Philosophers direct the path and posit goals for humanity. Most individuals who have had huge impact on humanity or human thought have been philosophers, or philosopher-kings (Solon, Marcus Aurelius).
To love to seek wisdom
What is wisdom? Discovering what is maximally beneficial for you, your body, and your personal thriving. For me, wisdom is a self pursuit, a self “ish” thing.
Why seek wisdom?
You’re alive. You’re gonna die. From now until then, how do you want to best live your own life, with maximal joy, striving, and power?