„As an eminent pioneer in the realm of high frequency currents… I congratulate you on the great successes of your life’s work.“

— Albert Einstein

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„You, the sons of the pioneers, if you are true to your ancestry, must make your lives as worthy as they made theirs. They sought for true success, and therefore they did not seek ease. They knew that success comes only to those who lead the life of endeavor.“
— Theodore Roosevelt
„People are still encouraged to marry as if they could count on marriage being for life, and at the same time they are absorbing a knowledge of the great frequency of divorce.“
— Margaret Mead
„If A is success in life, then A = x + y + z. Work is x, play is y and z is keeping your mouth shut.“
— Albert Einstein
„If you have a success, you have it for the wrong reasons. If you become popular it is always because of the worst aspects of your work.“
— Ernest Hemingway