Burning fossil fuels is like breaking up the furniture to feed the fireplace because it's easier than going out to the woodpile.

There is superstition in science quite as much as there is superstition in theology, and it is all the more dangerous because those suffering from it are profoundly convinced that they are freeing themselves from all superstition.

The credit belongs to the man who is actually in the arena; whose face is marred with dust and sweat; who strives valiantly; who errs and may fall again and again, because there is no effort without error or shortcoming.

Our flag is a proud flag, and it stands for liberty and civilization. Where it has once floated, there must be no return to tyranny.

There comes a time in the life of a nation, as in the life of an individual, when it must face great responsibilities, whether it will or no. We have now reached that time. We cannot avoid facing the fact that we occupy a new place among the people of the world.

When you are asked if you can do a job, tell 'em, 'Certainly I can!' Then get busy and find out how to do it.

The Armenian massacre was the greatest crime of the war.