Thematic Bible: Exact in minor, but neglecting important duties

"Woe to you, experts in the law and you Pharisees, hypocrites! You give a tenth of mint, dill, and cumin, yet you neglect what is more important in the law -- justice, mercy, and faithfulness! You should have done these things without neglecting the others. Blind guides! You strain out a gnat yet swallow a camel!