"I used to believe there were people on Mars, and of course now we know there aren't. Mars held particular interest. I was curious what kind of beings they would look like."

"A person that much interested in science is going to neglect his social life somewhat, but not completely, because that isn't healthy either. So one has to work it out according to one's own inclinations, how one wants to proportion these things."

"I guess they just took it for granted that that was what I was interested in and let nature take its course."

"I was always looking ahead. I used to do all kinds of things for entertainment. When I was young, we had no radio, no TV. We were 30 miles from the public library, out in the sticks in Western Kansas, and so I'd do arithmetic exercises."

"When I was in the fourth grade, I became intensely interested in geography and I learned it well."

"It was depressing, very depressing. I worried about how I would make a living. I didn't want to stay on the farm. It didn't offer the challenge I wanted and yet, without a college education, I felt that I was really out of luck."

"By the time I was in sixth grade I could bound every country in the world from memory."

"How does a pansy, for example, select the ingredients from soil to get the right colors for the flower? Now there's a great miracle. I think there's a supreme power behind all of this. I see it in nature."

"To me, the noise of a threshing machine is better music than a lot of music I hear nowadays. I took a man's place in the threshing crew when I was only 14 years old."

"I shed many a tear when the steam engines went out of style on the railroads. I'd like to seem them come back, but I realize the diesels are more efficient."

"I realized that I would have some very tough sledding, and I was very discouraged because I didn't see much hope of getting into the field I wanted to get into with no college education."

"Unfortunately, a lot of the concepts in the Bible are based on ancient mythology that doesn't fit the findings of science."

"That's the way I got along in life. I don't ever remember being particularly jealous of anybody, because I figured if I can't do it myself, I don't deserve to get it."

"You wonder about it and wonder how will I make an instrument that can handle this kind of a problem."

"We were suddenly faced with the necessity of training a lot of young men in the art of navigation."

"I think there's a supreme power behind the whole thing, an intelligence. Look at all of the instincts of nature, both animals and plants, the very ingenious ways they survive. If you cut yourself, you don't have to think about it."

"I think the driving thing was curiosity about the universe. That fascinated me. I didn't think anything about being famous or anything like that, I was just interested in the concepts involved."

"I guess the two things I was most interested in were telescopes and steam engines. My father was an engineer on a threshing rig steam engine and I loved the machinery."

"I thought I'd better check this third plate, which is another date, see if there's an image there in the right place that would be consistent with the images on the other plates. That was the final proof."

"Can you imagine young people nowadays making a study of trigonometry for the fun of it? Well I did."

"I was interested in telescopes and the way they worked because I had an intense desire to see what things looked like, so I learned how to use telescopes and find things in the sky."

"You have to compete with others in the field. Sometimes the competition gets pretty fierce because you're competing for funds or grants to do your work, the financial work."

"I have a lot of sympathy for young people because I realize how disturbed I was. How would I deal with life in the future? What would I do for a living?"

"I used to think about how nice it would be to visit the planets. Of course, I didn't expect to see in my lifetime what has happened. I knew it would happen some day, but it came along faster than I at first thought."