“Once you learn to read, you will be forever free.”

“Learning never exhausts the mind.”

“An investment in knowledge pays the best interest.”

“The only true wisdom is in knowing you know nothing.”

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

“The only way to have a friend is to be one.”

“You have power over your mind, not outside events. Realize this, and you will find strength.”

“Waste no more time arguing about what a good man should be. Be one.”