When you were born, you cried and the world rejoiced.  Live your life so that when you die, the world cries and you rejoice.
-Cherokee Expression

The day will come when, after harnessing space, the winds, the tides and gravitation, we shall harness for God the energies of love. And on that day, for the second time in the history of the world, we shall have discovered fire.
-Pierre Teilhard de Chardin

People travel to wonder at the height of the mountains, at the huge waves of the seas, at the long course of the rivers, at the vast compass of the ocean, at the circular motion of the stars, and yet they pass by themselves without wondering.
-St. Augustine

You must be the change you wish to see in the world."
-Mahatma Gandhi