It’s hard to preach the revealed truth of God explicitly. “It always humbles us before it saves us. It shames us before it saves us. It accuses us before it acquits us... That’s what makes it so difficult to be a preacher. You enter the pulpit with a burden on your heart every time. You know before you ever start that what you have to say is going to hurt the very people you want to help, and that there’s no other way to help them.”

John Jeske - Preaching that Deserves the Name Lutheran
Preach the Word (vol. 1, No. 3, p. 2)

In your tribulations you will become aware that the Gospel is a rare guest in men’s consciences, while the Law is their daily and familiar companion. For man has by nature the knowledge of the Law.

Martin Luther - St. L. Ed. IX, p. 161

Theologian Geerhardus Vos warned against abstracting the love of God from His other attributes, noting that while God’s love is revealed to be His fundamental attribute, it is defined by His other attributes as well. It is quite possible to “overemphasize this one side of truth as to bring into neglect other exceedingly important principles and demands of Christianity,” he stressed. This would lead to a loss of theological ‘equilibrium’ and balance. In the specific case of the love of God, it often leads to an unscriptural sentimentalism whereby God’s love becomes a form of indulgence incompatible with His hatred of sin.

Mohler, Albert R. Jr. Hell Under Fire, Part One
November 30, 2004. The Christian Post – Editorial

Comment: A proper distinction between Law & Gospel provides that God-given 'equilibrium' presented in Scripture. Those who 'over-emphasize' the love of God by forgetting God's Law, are preaching a God of their own making and liking.

We must first preach people into hell before we can preach them into heaven.

Walther - Law and Gospel, p. 118

Comment: There is no appreciation for the gravity of sin and depth of God's mercy expressed in Christ, if the Law and its consequences are not preached. So many people prefer only thinking of Christ as a friend and helper, but dismiss his saving work as a side issue of little importance. This attitude conveniently creates apathy toward repentance and penitential humility. If there is no repentance... if Christ is not first and foremost our Savior, do we really have the Christian faith? Are we heirs of the kingdom of God? Without acknowledging hell, we might as well dismiss heaven, too.

Jesus Christ not only reconciled God and man. He reconciled law and gospel.

Martin Luther