As war or peace may depend upon the stroke of a pen in the hands of a single government official, so your life depends upon the answer to this question. (religion-online.org)
I try lots of pens, and I've come across one recently that I really enjoy using. (georgiatrialadvocate.com)
I recommend nothing smaller than 4 feet by 4 feet of floor space — plus lots of run time out of the pen like you allow already. (smallanimalchanel.com)