“What lies behind us and what lies before us are tiny matters compared to what lies within us.”

“Yesterday I was clever, so I wanted to change the world. Today I am wise, so I am changing myself.”

“Knowing yourself is the beginning of all wisdom.”

“The unexamined life is not worth living.”

“It is not the man who has too little, but the man who craves more, that is poor.”

“I am larger, better than I thought; I did not know I held so much goodness.”

“We know what we are, but know not what we may be.”

“Real knowledge is to know the extent of one's ignorance.”