I cannot call to mind a single instance where I have ever been irreverent, except toward the things which were sacred to other people.

What is there that confers the noblest delight? What is that which swells a man's breast with pride above that which any other experience can bring to him? Discovery!

To someone with a hammer, everything looks like a nail.

We are called the nation of inventors. And we are. We could still claim that title and wear its loftiest honors if we had stopped with the first thing we ever invented, which was human liberty.

One day man by the slow processes of evolution shall develop into something really fine and high - some billions of years hence, say.

Dates are hard to remember because they consist of figures; figures are monotonously unstriking in appearance, and they don't take hold, they form no pictures, and so they give the eye no chance to help. Pictures are the thing. Pictures can make dates stick.

There are German songs which can make a stranger to the language cry.