The end of history will be a very sad time. The struggle for recognition, the willingness to risk one's life for a purely abstract goal, the worldwide ideological struggle that called forth daring, courage, imagination, and idealism, will be replaced by economic calculation, the endless solving of technical problems, environmental concerns, and the satisfaction of sophisticated consumer demands.

Happiness is a gift and the trick is not to expect it, but to delight in it when it comes.

The true history of the world is the history of great men.

The journey of a thousand miles begins with one step.

Collaboration across industries is essential to solving the energy challenges of tomorrow.

"I wish I could freeze this moment, right here, right now, and live in it forever."