Henry J. Heinz

For a boy of ten, used to the coal bings and rust-coloured burns of Cowdenbeath, the fields and woodland of Kingswood, with its overgrown but stately avenue of copper-barked sequoias, felt like a local version of paradise.

Every day we have plenty of opportunities to get angry, stressed or offended. But what you're doing when you indulge these negative emotions is giving something outside yourself power over your happiness. You can choose to not let little things upset you.