Coal will remain part of the energy mix, but it must be cleaner and more responsible.

The art of progress is to preserve order amid change and to preserve change amid order.

I needed a drink, I needed a lot of life insurance, I needed a vacation, I needed a home in the country. What I had was a coat, a hat and a gun.

The only way to do great work is to love what you do.

Memory is fragile and the space of a single life is brief, passing so quickly that we never get a chance to see the relationship between events.

上帝的静默使人的思想成熟而为语言。