"But I believe that, while we are seeking to refresh our spirits and invigorate our bodies, we are required of God to use all our powers at all times to the best purpose. We may associate together as we do here today, and do all to the glory of God. We can and should conduct our recreations in such a manner that we shall be fitted for the more successful discharge of the duties devolving upon us, and that our influence shall be more beneficial upon those with whom we associate. Especially should it be the case upon an occasion like this, which should be of good cheer to us all. We can return to our homes improved in mind and refreshed in body, and prepared to engage in the work anew, with better hope and better courage. 2T 586.2"
"Whether therefore ye eat, or drink, or whatsoever ye do, do all to the glory of God."
The EGW passage directly echoes the sentiment of 1 Corinthians 10:31, applying the principle of doing all things to the glory of God to the context of recreation and social gatherings.