95.Experience keeps no school, she teaches her pupils singly. 親身經驗，才是經驗。
96.Experience must be bought. 若要得經驗，必須化代價。
97.Experience teaches. 經驗給人教訓。
98.Experience without learning is better than learning without experience. 有經驗而無學問，勝於有學問而無經驗。
99.Extremes are dangerous. 物極必反。
100.Extremes meet. 否極泰來。/ 101.Eye for eye and tooth for tooth. 以牙還牙，以眼還眼。liuxuepaper.com