...The apparent irreligion of to-day is the groundwork of the purer religion of to-morrow... 
Sidney L. Gulick 「Evolution Of The Japanese, Social And Psychic」
... It was accepted as the groundwork and authority for the most flourishing feudal order the world has ever seen...
Sidney L. Gulick 「Evolution Of The Japanese, Social And Psychic」
...However this may be, the fact remains that it is from groundwork that future investigators must build...
Edward Singleton Holden 「Sir William Herschel: His Life and Works」
...It is the groundwork upon which we havestill to build...
Edward Singleton Holden 「Sir William Herschel: His Life and Works」
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