Matthew 15:6-9

thus have ye disannull'd the commandment of God by your tradition.

Matthew 23:13

Wo unto you, Scribes and Pharisees, hypocrites, who prey upon the estates of widows, under the pretext of making long prayers; therefore ye shall be punish'd with the greater severity.

Luke 11:52

wo unto you, doctors of the law; for after having taken the key of knowledge, you remain still in the dark, and hinder others, who desire to have light.

Treasury of Scripture Knowledge

Summary

Seemeth it a small thing unto you to have eaten up the good pasture, but ye must tread down with your feet the residue of your pastures? and to have drunk of the deep waters, but ye must foul the residue with your feet?

Bible References

Tread

Matthew 15:6
thus have ye disannull'd the commandment of God by your tradition.
Matthew 23:13
Wo unto you, Scribes and Pharisees, hypocrites, who prey upon the estates of widows, under the pretext of making long prayers; therefore ye shall be punish'd with the greater severity.
Luke 11:52
wo unto you, doctors of the law; for after having taken the key of knowledge, you remain still in the dark, and hinder others, who desire to have light.