“In science the important thing is to modify and change one's ideas as ...” — Herbert Spencer Quote

“In science the important thing is to modify and change one's ideas as science advances.”

“The ultimate result of shielding men from the effects of folly, is to fill the world with fools.”

“The great aim of education is not knowledge but action.”

“The wise man must remember that while he is a descendant of the past, he is a parent of the future.”

“Marriage: a ceremony in which rings are put on the finger of the lady and through the nose of the gentleman.”

“The behavior of men to the lower animals, and their behavior to each other, bear a constant relationship.”

“If you thought you were trying to find out more about it because you're gonna get an answer to some deep philosophical question...you may be wrong! It may be that you can't get an answer to that particular question by finding out more about the character of nature. But my interest in science is to simply find out about the world.”

“Si l'organisme vivant est un system hiérarchisé dont le niveau d'organisation est au-dessus du niveau chimique, il est alors évident qu'il doit être étudié à tous les niveaux et qu'une recherche limitée à l'un d'entre eux (niveaux chimique par exemple) ne peut remplacer celle effectuée aux niveau supérieurs.”

“When I view all beings not as special creations, but as the lineal descendants of some few beings which lived long before the first bed of the Silurian system was deposited, they seem to me to become ennobled.”

“Nothing is so dangerous to the progress of the human mind than to assume that our views of science are ultimate, that there are no mysteries in nature, that our triumphs are complete and that there are no new worlds to conquer.”

“Every science begins as philosophy and ends as art; it arises in hypothesis and flows into achievement.”