All our knowledge begins with the senses, proceeds then to the understanding, and ends with reason. There is nothing higher than reason.

Knowledge is of two kinds. We know a subject ourselves, or we know where we can find information upon it.

Pain and foolishness lead to great bliss and complete knowledge, for Eternal Wisdom created nothing under the sun in vain.

Knowledge of what is does not open the door directly to what should be.

Discussion is an exchange of knowledge an argument an exchange of ignorance.

Knowledge of what is possible is the beginning of happiness.

If knowledge can create problems, it is not through ignorance that we can solve them.

Knowledge is the eye of desire and can become the pilot of the soul.

The aim of education is the knowledge not of facts but of values.

Today knowledge has power. It controls access to opportunity and advancement.