"I am of a healthy long lived race, and our minds improve with age."
"The light of lights looks always on the motive, not the deed, the shadow of shadows on the deed alone."
"Happiness is neither virtue nor pleasure nor this thing nor that but simply growth, We are happy when we are growing."
"You that would judge me, do not judge alone this book or that, come to this hallowed place where my friends' portraits hang and look thereon; Ireland's history in their lineaments trace; think where man's glory most begins and ends and say my glory was I had such friends."
"Education is not the filling of a pail, but the lighting of a fire."
"One should not lose one's temper unless one is certain of getting more and more angry to the end."