Collis Potter Huntington

Mark Hopkins was one of the truest and best men that ever lived. He had a keen analytical mind; was thoroughly accurate, and took general supervision of the books, contracts, etc. He was strictly the office man, and never bought or sold anything. I always felt when I was in the East that our business in his hands was entirely safe.

I once drove a pair of horses from New York to Vicksburg, and to this day I can almost map out that country as I saw it then, with its hills and valleys, villages and rivers. Yes, I naturally attribute something of my success in railroad building to the interest I take in such things.

To ask questions can become the laziest and wobbliest occupation of a mind, but when you must yourself answer the problem that you have posed, you will meditate your question with care and frame it with precision.

The historical novelist has to consider what has actually happened, while the SF writer is dealing in possibilities, but they are both in the business of imagining a world unlike our own and yet connected to it.