The greatest discovery of my generation is that a human being can alter his life by altering his attitudes.
It is our attitude at the beginning of a difficult task which, more than anything else, will affect its successful outcome.
The greatest use of life is to spend it for something that will outlast it.
That which holds the attention determines the action.
The art of being wise is the art of knowing what to overlook.
The greatest discovery of my generation is that a human being can alter his life by altering his attitudes.
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