'Walk' in the Bible

Which is easier, to say to the paralytic, Thy sins are forgiven thee; or to say, Arise, and take up thy couch and walk?

And it came to pass that he went on the sabbath through the cornfields; and his disciples began to walk on, plucking the ears.

then the Pharisees and the scribes ask him, Why do thy disciples not walk according to what has been delivered by the ancients, but eat the bread with defiled hands?

And he said to them in his doctrine, Beware of the scribes, who like to walk about in long robes, and salutations in the marketplaces,