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.
Albert EinsteinEnergy cannot be created or destroyed, it can only be changed from one form to another.
Albert EinsteinWithout 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.
Albert EinsteinConcern 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.
Albert Einstein