If you want to find the secrets of the universe, think in terms of energy, frequency and vibration.
The earth is bountiful, and where her bounty fails, nitrogen drawn from the air will refertilize her womb. I developed a process for this purpose in 1900. It was perfected fourteen years later under the stress of war by German chemists.
The Secretary of Hygiene or Physical Culture will be far more important in the cabinet of the President of the United States who holds office in the year 2035 than the Secretary of War.
I have already demonstrated, by crucial tests, the practicability of signaling by my system from one to any other point of the globe, no matter how remote, and I shall soon convert the disbelievers.
The gift of mental power comes from God, Divine Being, and if we concentrate our minds on that truth, we become in tune with this great power. My Mother had taught me to seek all truth in the Bible.
Archimedes was my ideal. I admired the works of artists, but to my mind, they were only shadows and semblances. The inventor, I thought, gives to the world creations which are palpable, which live and work.
Of the various branches of electrical investigation, perhaps the most interesting and immediately the most promising is that dealing with alternating currents.
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.
There is no memory or retentive faculty based on lasting impression. What we designate as memory is but increased responsiveness to repeated stimuli.
We all make mistakes, and it is better to make them before we begin.
Our senses enable us to perceive only a minute portion of the outside world.
From my childhood I had been intended for the clergy. This prospect hung like a dark cloud on my mind.
The desire that guides me in all I do is the desire to harness the forces of nature to the service of mankind.