I have had crushing writer's block for nearly two years now. I can't make my words scream for me the way I want them to scream. Add to that some serious depression and you have a very sour symphony indeed. But here is a poem by Leonard Cohen that has always resonated with me:

This is the only poem
I can read
I am the only one
can write it
I didn’t kill myself
when things went wrong
I didn’t turn
to drugs or teaching
I tried to sleep
but when I couldn’t sleep
I learned to write
I learned to write
what might be read
on nights like this
by one like me

From The Energy of Slaves, 1972