I was angry with my friend;
I told my wrath, my wrath did end.
I was angry with my foe:
I told it not, my wrath did grow.
Poem and painting by William Blake.
Full poem here→ http://www.poetryfoundation.org/poem/175222
Satan Exulting over Eve, 1795, William Blake. Graphite, pen and black ink, and watercolor.