The aims of scientific thought are to see the general in the particular and the eternal in the transitory.

One main factor in the upward trend of animal life has been the power of wandering.

The 'silly question' is the first intimation of some totally novel development.

Routine is the god of every social system; it is the seventh heaven of business, the essential component in the success of every factory, the ideal of every statesman. The social machine should run like clockwork.

Order is not sufficient. What is required, is something much more complex. It is order entering upon novelty; so that the massiveness of order does not degenerate into mere repetition; and so that the novelty is always reflected upon a background of system.

Every organism requires an environment of friends, partly to shield it from violent changes, and partly to supply it with its wants.

As society is now constituted, a literal adherence to the moral precepts scattered throughout the Gospels would mean sudden death.