I am not sure that it is of the first importance that you should be happy. Many an unhappy man has been of deep service to himself and to the world.
Woodrow WilsonWe are expected to put the utmost energy, of every power that we have, into the service of our fellow men, never sparing ourselves, not condescending to think of what is going to happen to ourselves, but ready, if need be, to go to the utter length of self-sacrifice.
Woodrow Wilson