"In this country all a man need to do is to attain a little eminence and immediately he begins to talk. … But the Amer…"

"When it comes to scientific matters the ready talkers simply run riot. There are a lot of pseudo-scientists who with …"

"We don't know the why of anything. On that matter we are no further advanced than was the cavedweller. The scientist …"

"In a mathematical sense, space is manifoldness, or combination of numbers. Physical space is known as the 3-dimension…"

"There are no foolish questions and no man becomes a fool until he has stopped asking questions."

"Money is a stupid measure of achievement, but unfortunately it is the only universal measure we have."

"At the People's College in Fort Scott, Kansas, my mother met Arthur Le Sueur, who with Helen Keller, Eugene Debs, and…"

"He doesn't believe a trumpet and a megaphone are part of a scientist's equipment."

"Aye, think! Since time and life began, Your mind has only feared and slept; Of all the beasts they called you man Onl…"

"I can live as the boys live, and if God wishes the work to succeed, He will surely provide the means."