'Perform' in the Bible

"Again, you have heard that it was said to the ancients, 'Thou shalt not swear falsely, but shalt perform thy vows to the Lord.'

"I solemnly tell you," said Jesus, "that if you have an unwavering faith, you shall not only perform such a miracle as this of the fig-tree, but that even if you say to this mountain, 'Be thou lifted up and hurled into the sea,' it shall be done;