The sun, moving as it does, sets up processes of change and becoming and decay, and by its agency the finest and sweetest water is every day carried up and is dissolved into vapour and rises to the upper region, where it is condensed again by the cold and so returns to the earth. This, as we have said before, is the regular course of nature.
AristotleInferiors revolt in order that they may be equal, and equals that they may be superior. Such is the state of mind which creates revolutions.
AristotleAt the intersection where your gifts, talents, and abilities meet a human need; therein you will discover your purpose
Aristotle