noun
original intention; initial purpose; original aim
Refers to the goal or resolve one had at the start of an endeavor. Often used in contexts of sticking to or returning to one's original plan.
彼は初志を貫いて、医者になった。
He stuck to his original intention and became a doctor.
困難に直面しても、初志を忘れずに努力を続けた。
Even when facing difficulties, I kept my original aim in mind and continued to work hard.