Manifest destiny was on the march, and it was unfortunate that Mexico stood in the path.

If the human race wishes to have a prolonged and indefinite period of material prosperity, they have only got to behave in a peaceful and helpful way toward one another.

I am weary of a task which is done and I hope I shall not shrink when the aftermath ends. My only wish is to live peacefully out the remaining years - if years they be.

No matter. The dead bird does not leave the nest.

All wisdom is not new wisdom.

I built with my own hands ... a large swimming-pool which was filtered to limpidity and could be heated to supplement our fickle sunshine.

Never give up on something that you can't go a day without thinking about.