Bible Verses About Sacrifices: Condemned for not treating with respect

Why do ye kick at My sacrifice, and at Mine offering which I commanded in My habitation, and dost honour thy sons above Me, to make yourselves fat from the first part of every offering of Israel, of My people?

And ye are polluting it in your saying, `The table of Jehovah--it is polluted, As to its fruit--despicable is its food.'