- “The present is theirs; the future, for which I really worked, is mine.“
- “The day science begins to study non-physical phenomena, it will make more progress in one decade than in all the previous centuries of its existence.“
- “If you want to find the secrets of the universe, think in terms of energy, frequency and vibration.”
- “The scientists of today think deeply instead of clearly. One must be sane to think clearly, but one can think deeply and be quite insane.”
- “The mind is sharper and keener in seclusion and uninterrupted solitude. Originality thrives in seclusion free of outside influences beating upon us to cripple the creative mind. Be alone—that is the secret of invention: be alone, that is when ideas are born.“
- “Our virtues and our failings are inseparable, like force and matter. When they separate, man is no more.
- “The feeling is constantly growing on me that I had been the first to hear the greeting of one planet to another.”
- “The scientists of today think deeply instead of clearly. One must be sane to think clearly, but one can think deeply and be quite insane.”
- “The individual is ephemeral, races and nations come and pass away, but man remains.”