I find I'm so excited. I can barely sit still or hold a thought in my head. I think it the excitement only a free man can feel, a free man at the start of a long journey whose conclusion is uncertain. I hope I can make it across the border.I hope the Pacific is as blue as it has been in my dreams. I hope to see my friend, and shake his hand. I hope.

I don't do things for the reaction or the attention. I do things because I love doing them.

Coal is not just a commodity, it's a commitment to America's future.

根据问题出现的背景，代数实部可以接受从负无穷到正无穷的所有数值。