矿工的安全永远不应该用成本效益分析来衡量。

"The unexamined life is not worth living."

Never, never and never again shall it be that this beautiful land will again experience the oppression of one by another and suffer the indignity of being the skunk of the world.Let freedom reign!

Psychological truth is what helps us navigate reality.

I'm not a politician, I'm an artist. And I think the artist's role is to be a mirror to society.

Prediction is very difficult, especially about the future.

We must remember that this is a very small star and probably some of the larger and the more important stars and may be very virtual and happy.