One must be convinced to convince, to have enthusiasm to stimulate the others.

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Freedom is not possible without authority - otherwise it would turn into chaos and authority is not possible without freedom - otherwise it would turn into tyranny.

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All I know is that I shall be alone again. There is nothing more terrible than to be alone among human beings.

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It would be foolhardy to count on the conscience of the world.

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Health alone does not suffice. To be happy, to become creative, man must always be strengthened by faith in the meaning of his own existence.

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Only the person who has experienced light and darkness, war and peace, rise and fall, only that person has truly experienced life.

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One never gets to know a person's character better than by watching his behavior during decisive moments. It is always only danger which forces the most deeply hidden strengths and abilities of a human being to come forth.

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It is never until one realizes that one means something to others that one feels there is any point or purpose in one's own existence.

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Time to leave now, get out of this room, go somewhere, anywhere; sharpen this feeling of happiness and freedom, stretch your limbs, fill your eyes, be awake, wider awake, vividly awake in every sense and every pore.

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Life is futile unless it be directed towards a definite goal.

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