Nothing in life is a foregone conclusion unless and until it is foregone and concluded
No one ever changed the world waking up at noon.
Intelligence is just one dimension of ability. Don't limit yourself to it. Open up to instinct, intuition, creativity and thus possibility
Manga endings might always be the same. However when it comes to real life, neither you nor I are readers. We are the writers. We can change the ending.
Some of us see endless darkness and get scared. Some of us see the joyful moon and dancing stars.