My contemplation of life and human nature in that secluded place [cell 54 of Cairo Central Prison] taught me that he who cannot change the very fabric of his thought will never, therefore, make any progress.
Anwar Sadat (1978). “In Search of Identity: An Autobiography”, New York : Harper & Row
![My contemplation of life and human nature in that secluded place [cell 54 of Cairo Central Prison] taught me that he who cannot change the very fabric of his thought will never, therefore, make any progress.](http://cdn.quoteddaily.com/images/anwar-sadat/my-contemplation-of-life-and-human-nature-in-that-secluded-place-cell-54-of-cairo-central-prison-taught-me-that.jpg)