"Patience is bitter, but its fruit is sweet."
"Educating the mind without educating the heart is no education at all."
"The more you know, the more you realize you don’t know."
"We are what we repeatedly do. Excellence, then, is not an act, but a habit."
"It is the mark of an educated mind to entertain a thought without accepting it."
"Happiness depends upon ourselves."
"Knowing yourself is the beginning of all wisdom."