"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."

"To say that 'I will do it tomorrow' is to say that 'I will not do it at all.'"

"First say to yourself what you would be; and then do what you have to do."

"First learn the meaning of what you say, and then speak."

"If you want to be a philosopher, prepare to be mocked."