I had
A
Thought
It
Flew away
Perhaps
I’ll cage it
Another day

I had
A
Thought
It
Ran away
Maybe a leash
Would
Make it stay

I had
A
Thought
It
Went astray
I fear
The problem is
Brain decay

I had
A
Thought
It’s
Out of play
I think
For now
I’ll let it lay

Fandango’s One Word Challenge:  Thought