There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self.
One ought, every day at least, to hear a little song, read a good poem, see a fine picture, and, if it were possible, to speak a few reasonable words.
Everyone thinks of changing the world, but no one thinks of changing himself.
Better keep yourself clean and bright; you are the window through which you must see the world.
Inner peace is found by changing yourself, not the people who hurt you.