Matthew Henry's Concise Commentary on the Bible - Matthew 16:1-4
1-4 The Pharisees and Sadducees were opposed to each other in principles and in conduct; yet they joined against Christ. But they desired a sign of their own choosing: they despised those signs which relieved the necessity of the sick and sorrowful, and called for something else which would gratify the curiosity of the proud. It is great hypocrisy, when we slight the signs of God's ordaining, to seek for signs of our own devising. read more
George Haydock's Catholic Bible Commentary - Matthew 16:4
You know then how to discern the face of the sky, &c. Jesus Christ does not condemn every observation made upon the weather, from external appearances in the heavens. He only upbraids the Jews for so closely examining these signs, and neglecting at the same time to notice the many signs and predictions which so plainly manifested him to be the promised Messias. (Denis the Carthusian) --- The reasoning of Jesus Christ is this: you know how to judge of the weather from observation, and cannot... read more