Gregor Mendel — "I have been patient, and patience is the key to discovery."

"This circumstance is especially important for the evolutionary history of plants because constant hybrids acquire the status of new species."

"If my work is ignored now, it will be recognized when the time is right."

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

"It is willingly granted that by cultivation the origination of new varieties is favored, and that by man's labor many varieties are acquired which, under natural conditions, would be lost; but nothing…"

"I have found more pleasure in counting peas than in counting coins."