Learn hard or soft calligraphy first.

It depends on the purpose of your study of calligraphy. Hard pen calligraphy should be based on application. After learning it well, it can be applied to future work and study. Brush calligraphy, that is, soft pen calligraphy, is an artistic hobby and should not be applied as hard pen calligraphy. Therefore, if you want to apply it, you should first learn hard pen calligraphy. As an artistic pursuit, you should first learn brush calligraphy.