The temptations of God were always more dangerous for mankind than those of Satan.

The 'gallows' are not only a symbol of death, but also a symbol of cruelty, terror and irreverence for life; the common denominator of primitive savagery, medieval fanaticism and modern totalitarianism.

The more original a discovery, the more obvious it seems afterwards.

Creativity in science could be described as the act of putting two and two together to make five

The inner censor of the mind of the true believer completes the work of the public censor; his self-discipline is as tyrannical as the obedience imposed by the regime; he terrorizes his own conscience into submission;he carries his private Iron Curtain inside his skull, to protect his illusions against the intrusion of reality.

Most of us were not afraid of death, only of the act of dying; and there were times when we overcame even this fear. At such moments we were free-men without shadows, dismissed from the ranks of the mortal; it was the most complete experience of freedom that can be granted a man.

Conscious and unconscious experiences do not belong to different compartments of the mind; they form a continuous scale of gradations, of degrees of awareness.