Matthew 22:36
"Teacher, which is the greatest Commandment in the Law?"
Matthew 5:19-20
Whoever therefore breaks one of these least commandments and teaches others to break them, will be called the least in the Kingdom of the Heavens; but whoever practises them and teaches them, he will be acknowledged as great in the Kingdom of the Heavens.
Matthew 15:6
he shall be absolved from honouring his father'; and so you have abrogated God's Word for the sake of your tradition.
Matthew 23:23-24
"Alas for you, Scribes and Pharisees, hypocrites, for you pay the tithe on mint, dill, and cumin, while you have neglected the weightier requirements of the Law--just judgement, mercy, and faithful dealing. These things you ought to have done, and yet you ought not to have left the others undone.
Mark 12:28-33
Then one of the Scribes, who had heard them disputing and well knew that Jesus had given them an answer to the point, and a forcible one, came forward and asked Him, "Which is the chief of all the Commandments?"
Luke 11:42
"But alas for you Pharisees! for you pay tithes on your mint and rue and every kind of garden vegetable, and are indifferent to justice and the love of God. These are the things you ought to have attended to, while not neglecting the others.