"The happiness of your life depends upon the quality of your thoughts: therefore, guard accordingly, and take care that you entertain no notions unsuitable to virtue and reasonable nature."
"Don't shit on the needle you need for your next fix." Homeless Marcus Aurelius
"Find something with which to wipe. Be it anything. For the man who goes to bed with an itchy butt will awaken with a smelly finger" Homeless Marcus Aurelius
"Be tolerant with others but strict with yourself" - Marcus Aurelius
http://classics.mit.edu/Antoninus/meditations.1.one.html