"不擅变革之国,一两千年只知固守古人之言而根本不知随机应变,妄自尊大之风盛行"
This I have to agree. Especially 一两千年只知固守古人之言而根本不知随机应变.
"国家不论大小,应一律平等,不能恃强凌弱"
Good as well.
Of course, after this, he had become what he had said: 妄自尊大之风盛行. Actually, if he had continue his former opinion and use Japan's new found power to protect Asia countries from Imperial West without conquering them first, he might had achieve what he wanted later.