If we are bound to improve, we need not trouble to improve. The pure doctrine of progress is the best of all reasons for not being a progressive.

With any recovery from morbidity there must go a certain healthy humiliation.

Large organization is loose organization. Nay, it would be almost as true to say that organization is always disorganization.

It is as healthy to enjoy sentiment as to enjoy jam.

Modern science is necessarily a double-edged tool, a tool that cuts both ways. ... There is no doubt that a Zeppelin is a wonderful thing; but that did not prevent it from becoming a horrible thing.

Against a dark sky, all flowers look like fireworks.

Progress is the mother of problems.