There are things in life
we can't avoid
so, we must not jump to conclusions so quickly
instead, we must think
what we can and want to do
There are few things we can't avoid,
there must be many things we can do
for the things.
"What a strange, demented feeling it gives me when I realise I have spent whole days before this inkstone, with nothing better to do, jotting down at random whatever nonsensical thoughts that have entered my head."
Doing nothing is not that bad thing. It can make you feel free and lead you to encounter your real you.
The piece shows his emotion when he wrote the poem.