Gregor Mendel — "The laws of heredity are universal, whether in peas or in men."

"If I were to live a hundred years, I would not have enough time to test all the possible combinations."

"The Creator has arranged the world in such a way that nothing is left to chance."

"The constant differential characters of the two parent forms are transmitted to the hybrids unchanged."

"The value and utility of any experiment are determined by the fitness of the material to the purpose for which it is used, and thus in the case before us it cannot be immaterial what plants are subjec…"

"The most important result of hybridization is beyond doubt the production of new constant forms."