Life is a series of collisions with the future; it is not the sum of what we have been, but what we yearn to be.

All that really belongs to us is time; even he who has nothing else has that.

Understanding the laws of nature does not mean that we are immune to their operations.

The struggle to save the global environment is in one way much more difficult than the struggle to vanquish Hitler, for this time the war is with ourselves. We are the enemy, just as we have only ourselves as allies.

Well I’m not convinced that expanding uranium mining is in the best interests of the country and the best interests of its environment.

The challenge that climate change presents to us, both in Australia and around the world, won’t be solved by ramping up the nuclear industry.

My life is my message

A coward is incapable of exhibiting love; it is the prerogative of the brave.

There is more to life than increasing its speed.

It is the quality of our work which will please God and not the quantity.

Strength does not come from physical capacity. It comes from an indomitable will.

They cannot take away our self-respect if we do not give it to them.

The best way to find yourself is to lose yourself in the service of others.

To believe what has not occurred in history will not occur at all, is to argue disbelief in the dignity of man.

The only tyrant I will accept in this world is the “still small voice” within me.

In a gentle way, you can shake the world.

You must be the change you wish to see in the world.