Books and ideas are the most effective weapons against intolerance and ignorance.

Air pollution is a threat to health, especially of older persons. It contributes significantly to the rising rates of chronic respiratory ailments. It stains our cities and towns with ugliness, soiling and corroding whatever it touches. Its damage extends to our forests and farmlands as well. The economic toll for our neglect amounts to billions of dollars each year.

The classroom - not the trench - is the frontier of freedom now and forevermore.

You ain't learnin' nothin' when you're talkin'.

A President's hardest task is not to do what is right, but to know what is right.

It is the genius of our Constitution that under its shelter of enduring institutions and rooted principles there is ample room for the rich fertility of American political invention.

...in the decline of life shame and grief are of short duration; whether it be that we bear easily what we have borne long; or that, finding ourselves in age less regarded, we less regard others; or, that we look with slight regard upon afflictions to which we know that the hand of death is about to put an end.