In the 19th century, we devoted our best minds to exploring nature. In the 20th century, we devoted ourselves to controlling and harnessing it. In the 21st century, we must devote ourselves to restoring it.

It is through history that we learn who we are and how we got that way, why and how we changed, why the good sometimes prevailed and sometimes did not.

I was taught by professors who had done their schooling in the 1930s. Most of them were scornful of, even hated, big business.

Winning the Revolutionary War, or the Civil War, or World War II were the turning points in our history, the sine qua non of our forward progress.

My favorite book is the last one printed, which is always better than those that were published earlier.

It would not be possible to praises nurses too highly.

There are many rules of good writing, but the best way to find them is to be a good reader.