New Defender's Study Bible Notes
7:6 Esaias prophesied. This passage is quoted from Isaiah 29:13.
7:7 doctrines. Those professing believers who reject or distort the Scriptures in order to accommodate some humanistic doctrine (e.g., evolution, uniformitarianism, abortionism) need to study this strong warning from Christ. In context, He was talking about the extra-Biblical humanistic legalism of the Pharisees, but the principle seems applicable to any displacement of Scripture by some human precept.