"For authentic living what is needed is the resolute confrontation of death."

"He is not deemed to give consent who is under a mistake."

"The beginning of wisdom is found in doubting; by doubting we come to the question, and by seeking we may come upon the truth."

"Reality is that which refuses to go away when I stop believing in it."

"With great power comes great responsibility."

"Time is what prevents everything from happening at once."

"Absent in body, but present in spirit."

"Courage in danger is half the battle."

"A vision without action is called a daydream; but then again, action without a vision is called a nightmare."

"Aristotle maintained that women have fewer teeth than men; although he was twice married, it never occurred to him to verify this statement by examining his wives' mouths."

"May not Music be described as the Mathematics of sense, and Mathematics as the Music of reason?"

"There is a very fine line between loving life and being greedy for it."