"The truth for this time embraces the whole gospel. Rightly presented it will work in man the very changes that will make evident the power of God's grace upon the heart. It will do a complete work and develop a complete man. Then let no line be drawn between the genuine medical missionary work and the gospel ministry. Let these two blend in giving the invitation: “Come; for all things are now ready.” Let them be joined in an inseparable union, even as the arm is joined to the body. 6T 291.1"
"And sent his servant at supper time to say to them that were bidden, Come; for all things are now ready."
The EGW passage directly quotes Luke 14:17, making it an explicit allusion.