Isaiah 1:13

Matthew 15:9

but in vain they worship me, teaching for doctrines the institutions of men."

but wo unto you Pharisees: for you will pay the tythes of mint, and rue, and all sorts of herbs, but as for justice and true piety, those you neglect. these you ought to have practised, without omitting however the other.

1 Corinthians 11:17

Now in what I am going to say, I do not commend you, because your assemblies are not to your advantage, but to your prejudice.

Ephesians 4:30

grieve not the holy spirit of God, by whom you are sealed against the day of deliverance:

Philippians 1:15

it is true, there are some who preach Christ out of a spirit of envy and contention; but others do it out of pure affection.

Treasury of Scripture Knowledge

Summary

Isaiah 1:13

Bring no more vain oblations; incense is an abomination unto me; the new moons and sabbaths, the calling of assemblies, I cannot away with; it is iniquity, even the solemn meeting.