“These are only new devices for putting the weak at the mercy of the strong.”

Let the future tell the truth, and evaluate each one according to his work and accomplishments. The present is theirs; the future, for which I have really worked, is mine

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

Most certainly, some planets are not inhabited, but others are, and among these there must exist life under all conditions and phases of development.

Perhaps I failed, but I did my best, These masters of mine may do the rest.

As I review the events of my past life I realize how subtle are the influences that shape our destinies.

From my childhood I had been intended for the clergy. This prospect hung like a dark cloud on my mind.

When natural inclination develops into a passionate desire, one advances towards his goal in seven-league boots.

The future will show whether my foresight is as accurate now as it has proved heretofore.

Most persons are so absorbed in the contemplation of the outside world that they are wholly oblivious to what is passing on within themselves.

There is no memory or retentive faculty based on lasting impression. What we designate as memory is but increased responsiveness to repeated stimuli.

We should begin at the very root from which we spring, we should effect a radical reform in the character of the food.

The desire that guides me in all I do is the desire to harness the forces of nature to the service of mankind.

My brain is only a receiver, in the Universe there is a core from which we obtain knowledge, strength and inspiration. I have not penetrated into the secrets of this core, but I know that it exists.

The progressive development of man [has as its] ultimate purpose the complete mastery of mind over the material world.

Fights between individuals, as well as governments and nations, invariably result from misunderstandings in the broadest interpretation of this term.

All the great religions contain wise prescriptions relating to the conduct of life, which hold good now as they did when they were promulgated.