I believe that water will one day be employed as fuel, that hydrogen and oxygen which constitute it, used singly or together, will furnish an inexhaustible source of heat and light, of an intensity of which coal is not capable.

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There is hope for the future, and when the world is ready for a new and better life, all these things will some day come to pass, - in God's good time.

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Science, my lad, is made up of mistakes, but they are mistakes which it is useful to make, because they lead little by little to the truth.

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Travel enables us to enrich our lives with new experiences, to enjoy and to be educated, to learn respect for foreign cultures, to establish friendships, and above all to contribute to international cooperation and peace throughout the world.

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Anything one man can imagine, other men can make real.

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Man is never perfect nor contented.

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Anything capable of being imagined will one day be made reality.

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We may brave human laws, but we cannot resist natural ones.

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There are no impossible obstacles; there are just stronger and weaker wills, that’s all!

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If there were no thunder, men would have little fear of lightning.

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