He [Grotius] avoided another danger as serious as his precocity had been. He steered clear of the quicksands of useless scholarship, which had engulfed so many strong men of his time. The zeal of learned men in that period was largely given to knowing things not worth knowing, to discussing things not worth discussing, to proving things not worth proving. Grotius seemed plunging on, with all sails set, into these quicksands; but again his good sense and sober judgment saved him: he decided to bring himself into the current of active life flowing through his land and time, and with this purpose he gave himself to the broad and thorough study of jurisprudence.

p. 59 - Seven Great Statesmen in the Warfare of Humanity with Unreason (1915)