God will use all if they will be used.

"In this closing work of the gospel there is a vast field to be occupied; and, more than ever before, the work is to enlist helpers from the common people. Both the youth and those older in years will be called from the field, from the vineyard, and from the workshop, and sent forth by the Master to give His message. Many of these have had little opportunity for education; but Christ sees in them qualifications that will enable them to fulfill His purpose. If they put their hearts into the work, and continue to be learners, He will fit them to labor for Him.      
     He who knows the depths of the world's misery and despair, knows by what means to bring relief. He sees on every hand souls in darkness, bowed down with sin and sorrow and pain. But He sees also their possibilities; He sees the height to which they may attain. Although human beings have abused their mercies, wasted their talents, and lost the dignity of godlike manhood, the Creator is to be glorified in their redemption.   
     The burden of labor for these needy ones in the rough places of the earth Christ lays upon those who can feel for the ignorant and for such as are out of the way. He will be present to help those whose hearts are susceptible to pity, though their hands may be rough and unskilled. He will work through those who can see mercy in misery, and gain in loss. When the Light of the world passes by, privilege will be discerned in hardship, order in confusion, success in apparent failure. Calamities will be seen as disguised blessings; woes, as mercies. Laborers from the common people, sharing the sorrows of their fellow men as their Master shared the sorrows of the whole human race, will by faith see Him working with them.  
     "The great day of the Lord is near, it is near, and hasteth greatly." Zephaniah 1:14. And a world is to be warned."

 

Education 269, 270