So I will write in the letter that “There is no way to happiness,happiness is the way”.
主语：I
谓语：write
状语：in the letter,地点状语；
that “There is no way to happiness,happiness is the way”作为整个句子的宾语存在,即是宾语从句；
翻译：所以我要把“到达快乐没有捷径,快乐就是一条路”写到信里.
分析句子成分的话再找我!