2 Quotes by Charles V. Chapin

As it takes two to make a quarrel, so it takes two to make a disease, the microbe and its host.

Science can never be a closed book. It is like a tree, ever growing, ever reaching new heights. Occasionally the lower branches, no longer giving nourishment to the tree, slough off. We should not be ashamed to change our methods; rather we should be ashamed never to do so.