Electric power is everywhere present in unlimited quantities and can drive the world's machinery without the need of coal, oil, gas, or any other of the common fuels.

---

A new idea must not be judged by its immediate results.

---

What one man calls God, another calls the laws of physics.

---

Every effort under compulsion demands a sacrifice of energy. I never paid such a price.

---

Love: I recognize the emotion for what it is, an irrational self-destructive impulse, which is disguised as joy.

---

The idea came like a flash of lightning and in an instant the truth was revealed.

---

My mother understood human nature better and never chided. She knew that a man cannot be saved from his own foolishness or vice by someone else's efforts or protests, but only by the use of his own will.

---

All matter comes from a primary substance, the luminiferous ether

---

In the twenty-first century, the robot will take the place which slave labor occupied in ancient civilization.

---

If you only knew the magnificence of the 3, 6 and 9, then you would have the key to the universe.

---