The art of progress is to preserve order amid change, and to preserve >>
Without adventure civilization is in full decay. >>
The vitality of thought is in adventure. Ideas won't keep. Something m >>
If you want to get across an idea, wrap it up in a person. >>
Harold, like the rest of us, had many impressions which saved him the >>
The most important thing in science is not so much to obtain new facts >>
Human life is driven forward by its dim apprehension of notions too general for its existing language.