Happiness is rarely absent; it is we that know not of its presence.
幸福很少缺席；是我们不知道它的存在。
The revolution is a long and arduous struggle, but with determination and unity, victory is certain.
革命是一场漫长而艰苦的斗争，但只要有决心和团结，胜利是必然的。
写作是一种思考方式。