Nothing is more common than unsuccessful people with talent.

Whenever Nature's bounty is in danger of exhaustion, the chemist has sought for a substitute. The conquest of disease has made great progress as a result of your efforts. Wherever we look, the work of the chemist has raised the level of our civilization and has increased the productive capacity of the nation. Waste materials, formerly cast aside, are now being utilized.

Nothing in this world can take the place of persistence. Talent will not: nothing is more common than unsuccessful men with talent.

To live under the American Constitution is the greatest political privilege that was ever accorded to the human race.

The nation which forgets its defenders will be itself forgotten.

No method of procedure has ever been devised by which liberty could be divorced from local self-government. No plan of centralization has ever been adopted which did not result in bureaucracy, tyranny, inflexibility, reaction, and decline.

The business of America is business.