The mind, once stretched by a new idea, never returns to its original dimensions.
Ralph Waldo EmersonIf a man fasten his attention on a single aspect of truth and apply himself to that alone for a long time, the truth becomes distorted and not itself but falsehood.
Ralph Waldo EmersonConcentration is the secret of strength in politics, in war, in trade, in short in all management of human affairs.
Ralph Waldo Emerson