Old John Gill wrote this in his Chapter Introduction.
INTRODUCTION TO ROMANS 14
The apostle, having finished his exhortations to duties of a moral and civil kind, proceeds to the consideration of things indifferent, about eating some sorts of meats, and keeping days; to which he might be led by the last clause of the preceding chapter, lest that should be interpreted as referring to those who used their Christian liberty in eating every sort of food; in the use of which it was requisite to exercise that love which is the fulfilling of the law, he had so much pressed and recommended in the foregoing chapters.
The church at Rome consisted both of Jews and Gentiles: and the former, though they believed in Christ, were not clear about the abrogation of the ceremonial law, and thought they ought still to observe the distinction of meats and days, which were made in it; the latter looked upon themselves under no manner of obligation to regard them; and even among thee Jews, some might have greater light and knowledge in these things than others, and used their Christian liberty, when others could not; and this occasioned great animosities and contentions among them; and some on account of these things were called strong, and others weak: and the chief view of the apostle in this chapter, is to give advice to each party how to behave one towards another; how the strong should behave to the weak, and the weak to the strong:…..
When we examine the first few verses one might just consider the 1st question of the Westminster Catechisms.
Q. 1. What is the chief end of man?
A. Man’s chief end is to glorify God, and to enjoy him forever.