The Apostle Paul
Galatians 4:10ESV·traditional attribution

You observe days and months and seasons and years!

John Calvin Reformed @genevareformer

10. Ye observe days. He adduces as an instance one description of “elements,” the observance of days. No condemnation is here given to the observance of dates in the arrangements of civil society. The order of nature out of which this arises, is fixed and constant. How are months and years computed, but by the revolution of the sun and moon?

Matthew Henry Presbyterian @wholebiblehenry

In these verses the apostle puts them in mind of what they were before their conversion to the faith of Christ, and what a blessed change their conversion had made upon them; and thence endeavours to convince them of their great weakness in hearkening to those who would bring them under the bondage of the law of Moses. I.

Commenting on Galatians 4:8-11

John Gill Reformed Baptist @doctorgill

Ye observe days, and months, and times, and years. Lest the apostle should be thought to suggest, without foundation, the inclination of these people to be in bondage to the ceremonies of the law, he gives this as an instance of it; which is to be understood, not of a civil observation of times, divided into days, months, and years, for which the luminaries of...