Related:

• If practice makes perfect, and nobody's perfect, why practice?
• Abstain! or Practice Safe HEX!
• Practice Safe Si
• Running Bear finally woke up one morning to discover that he was a man.
  As such, he deduced, he would require a woman. So he trekked on over to the Medicine Man's teepee to requisition a woman....
• Practice safe algebra...use brackets!
• Practice random and senseless acts of kindness.
• Zen Druids practice Transcendental Vegetation.
• Practice safe eating. Use condiments!
• Practice safe hex, type in surgical gloves.