"Man is not worried by real problems so much as by his imagined anxieties about real problems."

"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."

"It is our attitude toward events, not events themselves, which determines how we will act."

"When you are going to meet with any person, and particularly one of those who are considered to be in a superior condition, represent to yourself what Socrates or Zeno would have done in such circumst…"

"He is a wise man who does not grieve for the things which he has not, but rejoices for those which he has."