Graham Greene, The Ministry of Fear

"Her face looked ugly in the attempt to avoid tears; it was an ugliness which bound him to her more than any beauty could have done. It isn't being happy together, he thought as though it were a fresh discovery, that makes one love--it's being unhappy together."

"Knowledge was the great thing--not abstract knowledge in which Dr. Forester had been so rich, the theories which lead one enticingly on with their appearance of nobility, of transcendent virtue, but detailed, passionate, trivial human knowledge."

"But it is impossible to go through life without trust; that is to be imprisoned in the worst cell of all, oneself."