A great warrior? War does not make one great. (Yoda)
Fear leads to anger, anger leads to hate, hate leads to suffering. (Yoda)
Furcht ist der Draht(?) zur Dunklen Seite. (Yoda, wer sonst?)
No. Try not. Do. Or do not. There is no 'try'. (Yoda)
Strike me down and I shall become more powerful than you can possibly imagine. (Obi-Wan Kenobi)