“It is not length of life, but depth of life. ”

“The mass of men lead lives of quiet desperation”

“Life without liberty is like a body without spirit ”

“You will never be happy if you continue to search for what happiness consists of. You will never live if you are looking for the meaning of life. ”

“The price of anything is the amount of life you exchange for it”

“All life is an experiment. The more experiments you make the better ”