The third angel is represented as flying in the midst of heaven, showing that the message is to go throughout the length and breadth of the earth. It is the most solemn message ever given to mortals, and all who propose to connect themselves with the work should first feel their need of an education, of the most thorough training. Plans should be made and efforts put forth for the improvement of those who anticipate entering any branch of the work. CT 500.1
Ministerial labor should not be entrusted to boys, neither should the work of giving Bible readings be entrusted to young girls, because they offer their services and are willing to take responsible positions, while they are wanting in religious experience and lack a thorough education and training. They must be proved; for unless they develop a firm, conscientious principle to be all that God would have them be, they will not correctly represent His cause. All who are engaged in the work, in every mission, should gain a depth of experience. Those who are young in the work should have the help of such as have had experience and understand the manner of working. Missionary operations are constantly embarrassed for want of workers of the right class of mind—workers who have devotion and piety that will correctly represent our faith. CT 500.2
There are many who ought to become missionaries, but who never enter the field because those who are united with them in church capacity or in our colleges do not feel the burden to labor with them, to open before them the claims of God upon all their powers, and do not pray with and for them. The eventful period which decides the course of life passes, their convictions are stifled, other influences and inducements attract them, and temptations to seek positions that will, they think, bring them financial gain, take them into the worldly current. These young men might have been saved to the cause. CT 500.3
Our schools are to be training schools. If men and women come forth from them fitted in any sense for the missionary field, they must be led to realize the greatness of the work; practical godliness must be brought into their daily experience if they would be fitted for any place of usefulness in the cause of God.... CT 501.1