“Better an end with terror, than a terror without end.”
“Should I kill myself, or have a cup of coffee?”
“A lot of you cared, just not enough.”
“But in the end, one needs more courage to live than to kill himself.”
Lots and lots of insightful and witty statements and quotes about shuffling off this mortal coil at http://www.goodreads.com/quotes/tag/suicide?page=1