Orison Swett Marden

In order to keep himself at the top of his condition, to obtain complete mastery of all his powers and possibilities, a man must be good to himself mentally; he must think well of himself.
In order to keep himself at the top of his condition, to obtain complete mastery of all his powers and possibilities, a man must be good to himself mentally; he must think well of himself.
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These are some quotes by American author Orison Swett Marden Writer, who lived between 1850 and 1924.