Mark Twain was not a Christian, and was supremely suspicious of organized religion. His book ''Letters from the Earth'', which Twain was afraid to publish during his lifetime, constituted a direct attack on [[Christianity]]. Some of his quotes on the subject are listed below.
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Mark Twain was a practicing Presbyterian, but a series of personal tragedies in his life, namely the deaths of his son, wife, and two of his daughters, would result in his later works being particularly anti-religious. His book ''Letters from the Earth'', which Twain was afraid to publish during his lifetime, constituted a direct attack on [[Christianity]]. Some of his quotes on the subject are listed below.
"Faith is believing something you know ain't true."
"Faith is believing something you know ain't true."