"The minister has no sanction for confining his labors to the pulpit, leaving his hearers unhelped by personal effort. He should seek to understand the nature of the difficulties in the minds of the people. He should talk and pray with those who are interested, giving them wise instruction, to the end that he “may present every man perfect in Christ.” [ Colossians 1:28 .] His Bible teaching should have a directness and force that will send conviction home to the conscience. The people know so little of the Bible that practical, definite lessons should be given concerning the nature of sin and its remedy. GW 369.2"
"Whom we preach, warning every man, and teaching every man in all wisdom; that we may present every man perfect in Christ Jesus:"
Ellen White directly references Colossians 1:28 in this passage.