Gregor Mendel — "The laws of heredity are as fixed as the stars in the heavens."

"My scientific studies have afforded me great satisfaction; and I am convinced that it will not be long before the whole world acknowledges the results of my work."

"I have spent more time with peas than with people."

"My experiments with single traits all lead to the same result: that from the seeds of hybrids, plants are obtained half of which in turn carry the hybrid trait (Aa), the other half, however, receive t…"

"The numerical ratios I have observed cannot be dismissed as mere coincidence."

"The experiments have been carried out on a small scale, but the results are clear and unambiguous."