I think 'Hail to the Chief' has a nice ring to it.

When power corrupts, poetry cleanses

A police state finds that it cannot command the grain to grow.

Any system of government will work when everything is going well. It's the system that functions in the pinches that survive

Every inhabitant of this planet must contemplate the day when this planet may no longer be habitable .. The weapons of war must be abolished before they abolish us.

Leadership and learning are indispensable to each other.

The final and best means of strengthening demand among consumers and business is to reduce the burden on private income and the deterrence to private initiative which are imposed by our present tax system, and this administration pledged itself last summer to an across-the-board, top-to-bottom cut in personal and corporate income taxes to be enacted and become effective in 1963.