"***** There is danger that our restaurants will be conducted in such a way that our helpers will work very hard day after day and week after week, and yet not be able to point to any good accomplished. This matter needs careful consideration. We have no right to bind our young people up in a work that yields no fruit to the glory of God. 7T 120.2"
"Every tree that bringeth not forth good fruit is hewn down, and cast into the fire."
The EGW passage warns against restaurant work that yields no spiritual fruit, mirroring the sentiment in Matthew 7:19 about trees that do not bear good fruit being cut down. The connection is strong and relevant.
"There is danger that the restaurant work, though regarded as a wonderfully successful way of doing good, will be so conducted that it will promote merely the physical well-being of those whom it serves. A work may apparently bear the features of supreme excellence, but it is not good in God's sight unless it is performed with an earnest desire to do His will and fulfill His purpose. If God is not recognized as the author and end of our actions, they are weighed in the balances of the sanctuary and found wanting. 7T 120.3"
"Whether therefore ye eat, or drink, or whatsoever ye do, do all to the glory of God."
EGW's statement that actions not performed with a desire to do God's will are 'found wanting' directly reflects the principle in 1 Corinthians 10:31 to do everything to the glory of God. The connection is clear and significant.