Anne de'Echevarria & Ian Patience: teaching thinking (2008)

Levels of thinking according to (1950's Benjamin) Bloom's  hierarchical taxonomy.
Categories of thinking skills according to non-hierarchical PRICE.
6 principles for teaching thinking - active, meaningful, challenging, collaborative, mediated and reflective.

Thomas Crum: three deep breaths (2006)

Breathe...in through the nose, and out through the nose. Feel the stomach rise up and down.

the first breath, is to calm yourself, see your surroundings, to ground yourself with reality.
the second breath, is to see the bigger picture, the reason for living, think of the positive things, the best of yourself.
the third breath, is to yield and merge, to plan your action, to consider others' outlook.

Good and easy read. Don't forget to breathe!