Acts 2:42 King James Version 42 And they continued stedfastly in the apostles' doctrine and fellowship, and in breaking of bread, and in prayers.
(excerpt) John Gill's Exposition
And they continued steadfastly in the apostles' doctrine,.... And which is the same with the doctrine of Christ, of which he is the author, preacher, and subject; the substance of which is peace, pardon, righteousness, and salvation by him: this the apostles received from Christ, and constantly taught in their ministry; for which reason, it is called theirs; and this these young converts had embraced gladly; and were not only believers of it, but persevering believers; they were constant hearers of it; they continually attended on the ministry of the apostles, and held fast the form of sound words they had received from them; and stood fast in the faith of the Gospel, notwithstanding all the reproach cast upon it, and the afflictions they endured for it:
Acts 5:24 King James Version 24 Now when the high priest and the captain of the temple and the chief priests heard these things, they doubted of them whereunto this would grow.
(excerpt) John Gill's Exposition
they doubted of them, whereunto this would grow; they did not doubt of the truth of the things their officers told them, but they were amazed at them, and hesitated in their minds about them, and were anxiously thoughtful; what this would, or should be, or how this should be done; that the prison doors should be shut, and yet the prisoners gone; they were in suspense and anxiety of mind, what to impute it to; whether to a divine and supernatural power, or to magic art; and were uneasy in their minds what would be the issue of so strange and surprising an event.