each holds fast to (/sticks to) his own view ❍ 只有求同存异，而不是～，问题才能解决。Only through seeking common ground while reserving differences instead of each holding fast to his own views will the problem be solved.
各持己见持（执）ɡè chí jǐ jiàn
执：坚持。各个都坚持自己的见解。each sticks to his own view, each holds his own opinion