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

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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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Man is never perfect nor contented.

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How many things have been denied one day, only to become realities the next!

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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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Poets are like proverbs: you can always find one to contradict another.

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Nature's creative power is far beyond man's instinct of destruction.

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

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All that is impossible remains to be accomplished.

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