The man who knows governments most completely is he who troubles himself least about a definition which shall give their essence. Enjoying an intimate acquaintance with all their particularities in turn, he would naturally regard an abstract conception in which these were unified as a thing more misleading than enlightening.
William JamesPsychology is a science, and teaching is an art; and sciences never generate arts directly out of themselves.
William JamesA genius is the man in whom you are least likely to find the power of attending to anything insipid or distasteful in itself. He breaks his engagements, leaves his letters unanswered, neglects his family duties incorrigibly, because he is powerless to turn his attention down and back from those more interesting trains of imagery with which his genius constantly occupies his mind.
William JamesTo be fertile in hypotheses is the first perquisite of creativity and to be willing to throw them away the moment experience contradicts them is the next.
William James