The conclusion forced upon me in the course of a life devoted to natural science is that the universe as it is assumed to be in physical science is only an idealized world, while the real universe is the spiritual universe in which spiritual values count for everything.
John B. S. HaldaneSo far from being an isolated phenomenon the late war is only an example of the disruptive result that we may constantly expect from the progress of science.
John B. S. HaldaneWe do not know, in most cases, how far social failure and success are due to heredity, and how far to environment. But environment is the easier of the two to improve.
John B. S. HaldaneIn fact, words are well adapted for description and the arousing of emotion, but for many kinds of precise thought other symbols are much better.
John B. S. Haldane