I cannot imagine a God who rewards and punishes the objects of his creation and is but a reflection of human frailty.

If someone feels that he has never made a mistake in his life, it only means that he has never tried anything new in his life.

Energy cannot be created or destroyed, it can only be changed from one form to another.

Hell! there ain't no rules around here! We are tryin' to accomplish somep'n!

Without the sense of fellowship with men of like mind, of preoccupation with the objective, the eternally unattainable in the field of art and scientific research, life would have seemed to me empty.

Concern for man himself and his fate must always form the chief interest of all technical endeavors, concern for the great unsolved problems of the organization of labor and the distribution of goods-in order that the creations of our mind shall be a blessing and not a curse to mankind. Never forget this in the midst of your diagrams and equations.

One feels the insignificance of the individual, and it makes one happy.