"To be learned is not to be wise."

"There are more things in heaven and earth, Horatio, than are dreamt of in your philosophy."

"Nature has given to men one tongue, but two ears, that we may hear from others twice as much as we speak."

"The chief lesson I have learned in a long life is that the only thing that makes one happy is to love and be loved."

"The mind is not a vessel to be filled, but a fire to be kindled."