We humans look rather different from a tree. Without a doubt we perceive the world differently than a tree does. But down deep, at the molecular heart of life, the trees and we are essentially identical.

We are the children equally of the Sky and the Earth.

We are star stuff which has taken its destiny into its own hands.

One of the greatest gifts adults can give - to their offspring and to their society - is to read to children.

Every time you look up at the sky, every one of those points of light is a reminder that fusion power is extractable from hydrogen and other light elements, and it is an everyday reality throughout the Milky Way Galaxy.

For all our failings, despite our limitations and fallibilities, we humans are capable of greatness.

Except for fools and madmen, everyone knows that nuclear war would he an unprecedented human catastrophe.