It is selfishness that hinders men from sending help to those places where the work of God is not as prosperous as it is in the institution over which they have supervision. Those who bear responsibilities should carefully seek for the good of every branch of the cause and work of God. They should encourage and sustain the interests in other fields as well as the interests in their own. Thus the bonds of brotherhood would be strengthened between members of God's family on earth, and the door would be closed to the petty jealousies and heart-burnings that position and prosperity are sure to arouse unless the grace of God controls the heart. 8T 138.3 “This I say,” Paul wrote: “He which soweth sparingly shall reap also sparingly; and he which soweth bountifully shall reap also bountifully. Every man according as he purposeth in his heart, so let him give; not grudgingly, or of necessity: for God loveth a cheerful giver. And God is able to make all grace abound toward you; that ye, always …
"But this I say, He which soweth sparingly shall reap also sparingly; and he which soweth bountifully shall reap also bountifully. Every man according as he purposeth in his heart, so let him give; not grudgingly, or of necessity: for God loveth a cheerful giver. And God is able to make all grace abound toward you; that ye, always having all sufficiency in all things, may abound to every good work:"
Ellen White directly references 2 Corinthians 9:6-8 in this passage.