The longer we dwell on our misfortunes, the greater is their power to harm us.

With the fearful strain that is on me night and day, if I did not laugh I should die.

I know that I am intelligent, because I know that I know nothing.

If you want a love message to be heard, it has got to be sent out. To keep a lamp burning, we have to keep putting oil in it.

Those who educate children well are more to be honored than they who produce them; for these only gave them life, those the art of living well.