fundamentally an organism has conscious mental states if and only if there is something that it is like to be that organism--something it is like for the organism.
Thomas NagelIf you want the truth rather than merely something to say, you will have a good deal less to say.
Thomas NagelA person may be greedy, envious, cowardly, cold, ungenerous, unkind, vain, or conceited, but behave perfectly by a monumental act of the will.
Thomas Nagel