If we pass on an unsustainable environment to our children we have failed them.
The importance of music extends well beyond its performance.
I learned two basic lessons on Everest. First, just because something has worked in the past does not mean it will work today. Second, different challenges require different mindsets.
There is nothing more powerful than the made-up mind.
Climate change is the Everest of all problems, the thorniest challenge facing humankind.
The days of exploration of Shackleton and Scott are long gone. Everything has been climbed, crossed, done. Now what we're exploring are the full boundaries of human endeavour. It's not physical - it's all in the head.