べく
可く
beku

Auxiliary Verb
Conjunction

1. in order to; for the purpose of

Usually Written in Kana
Auxiliary Verb
Conjunction

2. must; should

Usually Written in Kana
Related to べきべし
書籍しょせき学問がくもんしたがうべく、学問がくもん書籍しょせきしたがうべからず。
shosekiga gakumonni shitagaubeku gakumonga shosekini shitagaubekarazu.
Books must follow sciences, and not sciences books.