As fruit needs not only sunshine but cold nights and chilling showers to ripen it, so character needs not only joy but trial and difficulty to mellow it.
——Hugh Black, American writer水果不仅需要阳光，也需要凉夜。寒冷的雨水能使其成熟。人的性格陶冶不仅需要欢乐，也需要考验和困难。
——美国作家 布莱克 H
