History will never accept difficulties as an excuse.

We must seek, above all, a world of peace; a world in which peoples dwell together in mutual respect and work together in mutual regard.

Unless liberty flourishes in all lands, it cannot flourish in one.

I think this is the most extraordinary collection of talent, of human knowledge, that has ever been gathered at the White House - with the possible exception of when Thomas Jefferson dined alone.

If this nation is to be wise as well as strong, if we are to achieve our destiny, then we need more new ideas for more wise men reading more good books in more public libraries.

To those whom much is given, much is expected.

If art is to nourish the roots of our culture, society must set the artist free to follow his vision wherever it takes him.