The inconsistency principle
Don't be frightened of cliches
Faced with a choice, do both (given by Dieter Rot)
Listen to the quiet voice
Do nothing for as long as possible
Which frame would make this look right?
Look closely at the most embarrassing details and amplify them
Don't be afraid of things because they're easy to do
Which elements can be grouped?
What to increase? What to reduce?
State the problem in words as clearly as possible
Slow preparation, fast execution
Is there something missing?
Think - inside the work -outside the work