Have enough sense to know ahead of time when your skills will not extend to wallpapering.
My attitude to writing is like when you do wallpapering you remember where all the little bits are that don't meet. And then your friends say: It's terrific!
Mankind's true moral test its fundamental test (which lies deeply buried from view) consists of its attitude towards those who are at its mercy: animals. And in this respect mankind has suffered a fundamental debacle a debacle so fundamental that all others stem from it.