"All to Co-operate A good beginning has been made in the sale of Christ's Object Lessons . What is needed now is an earnest, united effort to complete the work that has been so well begun. In the Scriptures we read: “Not slothful in business; fervent in spirit; serving the Lord.” Romans 12:11 . Every branch of God's cause is worthy of diligence; but nothing could be more deserving than this enterprise at this time. A decided work is to be done in accomplishing God's plan. Let every stroke tell for the Master in the selling of Christ's Object Lessons . Let all who possibly can, join the workers. 6T 469"
"Not slothful in business; fervent in spirit; serving the Lord;"
Ellen White directly references Romans 12:11 in this passage.
"make use of our means, our time, our intellect, our whole being, body, soul, and spirit, in fulfilling His requirements. The present is such a time as this. The interests of God's cause are at stake. The Lord's institutions are in peril. Because of the terrible burden of debt under which our schools are struggling, the work is hindered on every side. In our great necessity, God has made a way through the difficulty and has invited us to co-operate with Him in accomplishing His purpose. It was His plan that the book, Christ's Object Lessons , should be given for the relief of our schools, and He calls upon His people to do their part in placing this book before the world. In this He is testing His people and His institutions to see if they will work together and be of one mind in self- denial and self-sacrifice. 6T 469.1"
"For ye are bought with a price: therefore glorify God in your body, and in your spirit, which are God’s."
Both passages discuss dedicating one's whole being to God. 1 Corinthians 6:20 speaks of glorifying God in body and spirit because we are bought with a price, while EGW speaks of using our means, time, intellect, and whole being to fulfill God's requirements. The connection is thematic and reinforces the idea of complete dedication.