"The theory refined, abstruse, ingenious and beautiful."

"After much consideration and many inquiries, I determined, in 1885, on experimenting with sweet peas, which…"

"Nowadays, however, we are much more aware of the fact that the best proof in the world is worth no more tha…"

"I never know what South Carolina thinks of a measure. I never consult her. I act to the best of my judgment…"

"For a joint scientific and geographical piece of organization, give me Scott; for a Winter Journey, Wilson;…"

"We realize, however, that all scientific laws merely represent abstractions and idealizations expressing ce…"

"I don't feel like I've re-invented myself, I feel like I've re-discovered who I was."