More quotes by Socrates

"There is only one good, knowledge, and one evil, ignorance."
"Beware the barrenness of a busy life."
"Employ your time in improving yourself by other men's writings so that you shall come easily by what others have labored hard for."
"Be slow to fall into friendship; but when thou art in, continue firm and constant."
"The unexamined life is not worth living."