Nature in her unfathomable designs had mixed us of clay and flame, of brain and mind, that the two things hang indubitably together and determine each other's being but how or why, no mortal may ever know.
William JamesA winner's attitude: it may be difficult, but it's possible. A loser's attitude: It may be possible, but it's too difficult.
William JamesHow many of us persist in a precipitate course which, but for a moment of heedlessness we might never have entered upon, simply because we hate to change our minds.
William James