Quote by Stephen Jay Gould
"Species boundaries are fuzzy and often difficult to define precisely."
"Species boundaries are fuzzy and often difficult to define precisely."
"Evolution is a process of constant branching and expansion."
"We are here because one odd group of fishes had a peculiar fin anatomy that could transform into limbs for terrestrial creatures."
"The most important evolutionary change may have been the development of consciousness itself."
"Science simply represents an honest attempt to find truth about the natural world."