"If a man does not know to what port he is sailing, no wind is favorable."

"When you have decided that a thing is good, and you cling to it, and you are not disturbed by it, then you have found your true good."

"If you want to be a great writer, write great books. If you want to be a great painter, paint great pictures. But if you want to be a great philosopher, be a great human being."

"How long are you going to wait before you demand the best for yourself?"

"Every difficulty in life presents us with an opportunity to turn inward and to invoke our own resources. The trials we endure can and should introduce us to our strengths."