Money does not represent such a value as men have placed upon it. All my money has been invested into experiments with which I have made new discoveries enabling mankind to have a little easier life.

Ere many generations pass, our machinery will be driven by a power obtainable at any point of the universe. This idea is not novel... We find it in the delightful myth of Antaeus, who derives power from the earth; we find it among the subtle speculations of one of your splendid... Throughout space there is energy. Is this energy static or kinetic! If static our hopes are in vain; if kinetic - and this we know it is, for certain - then it is a mere question of time when men will succeed in attaching their machinery to the very wheelwork of nature.

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

Throughout the infinite, the forces are in a perfect balance, and hence the energy of a single thought may determine the motion of a universe.

Peace can only come as a natural consequence of universal enlightenment.

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

My belief is firm in a law of compensation. The true rewards are ever in proportion to the labour and sacrifices made.