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.

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

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

Real knowledge is to know the extent of one's ignorance.

Jealousy is all the fun you think they had.

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

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

Knowledge which is acquired under compulsion obtains no hold on the mind.

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